| C M Booth Collection of Historic Vehicles | Cranbrook | Kent |
| Cabbages and Kings Garden The Centre for Garden Design | Uckfield | East Sussex |
| Cabinet War Rooms | Westminster | Greater London |
| Cabot Tower | Bristol | Bristol |
| Cadbury World | Bournville | West Midlands |
| Cadhay | Ottery St. Mary | Devon |
| Cadwell Park Circuit | Louth | Lincolnshire |
| Cadzow Castle | Hamilton | South Lanarkshire |
| Caerhays Castle & Gardens | St Austell | Cornwall |
| Caerlaverock Castle | By Glencaple | Dumfries and Galloway |
| Caerleon Roman Amphitheatre Fortress and Baths | Newport | Newport |
| Caernarfon Airworld | Caernarfon | Gwynedd |
| Caernarfon Castle | Caernarfon | Gwynedd |
| Caernarfon Tourist Information Centre | Caernarfon | Gwynedd |
| Caerphilly Castle | Caerphilly | Caerphilly |
| Caerphilly Farmers Market and Food Fayres | Caerphilly | Caerphilly |
| Caerphilly Riding School and Trekking Centre | Caerphilly | Caerphilly |
| Caerphilly Visitor Centre | Caerphilly | Caerphilly |
| Caerwent Roman Town | Caerwent | Newport |
| Caig Waterfalls Car Park | Spean Bridge | Highland |
| Cains' Brewery | Liverpool | Merseyside |
| Caio Picnic Site | Caio | Carmarthenshire |
| Caird Hall | Dundee | Angus |
| Caird Park Golf Club | Dundee | Angus |
| Cairn Holy Chambered Cairns | Carsluith | Dumfries and Galloway |
| Cairn o'Get | Ulbster | Highland |
| Cairnbaan Cup And Ring Marks | Cairnbaan | Argyll and Bute |
| Cairngorm Chairlift | Aviemore | Highland |
| Cairngorm Reindeer Centre | Glenmore, Aviemore | Highland |
| Cairngorm Whisky Centre | Inverdruie, Aviemore | Highland |
| Cairnpapple Hill | Nr Bathgate | West Lothian |
| Cairnsmore Nursery | Castle Douglas | Dumfries and Galloway |
| Cairnwell Mountain Sports | Spittal of Glenshee | Perth and Kinross |
| Caisteal Maol | Kyleakin, Isle of Skye | Highland |
| Caister Roman Site | Caister-on-Sea | Norfolk |
| Caistor Roman Town | Caistor St Edmund | Norfolk |
| Caithness Crystal Visitor Centre | Kings Lynn | Norfolk |
| Caithness Glass Visitor Centre | Perth | Perth and Kinross |
| Caithness Glass Visitor Centre | Oban | Argyll and Bute |
| Caithness Glass Visitor Centre | Wick | Highland |
| Calanais Standing Stones and Visitor Centre | Calanis, Isle of Lewis | Western Isles |
| Calbourne Water Mill and Museum | Newport | Isle of Wight |
| Calderglen Country Park | East Kilbride | South Lanarkshire |
| Caldey Island | Off Tenby | Pembrokeshire |
| Caldicot Castle | Caldicot | Monmouthshire |
| Caledonian Activity Breaks | Banavie, Fort William | Highland |
| Caledonian Brewery | Edinburgh | Edinburgh |
| Caledonian Canal Heritage Centre | Fort Augustus | Highland |
| Caledonian Railway | Brechin | Angus |
| Calf of Man Pleasure Cruises & Ferry Service | Port Erin | Isle of Man |
| California Country Park | Wokingham | Wokingham |
| Calke Abbey | Ticknall, Derby | Derbyshire |
| Callander Tourist Information Centre | Callander | Stirling |
| Callendar House | Callendar | Falkirk |
| Callendar Park Museum | Callendar | Falkirk |
| Callestock Cider Farm | Truro | Cornwall |
| Calshot Activity Centre | Cashot | Hampshire |
| Calshot Castle | Fawley | Hampshire |
| Calum's Seal Trips | Plockton | Highland |
| Calverton Folk Museum | Calverton | Nottinghamshire |
| Camber Castle | Nr Rye | East Sussex |
| Cambo Gardens | St Andrews | Fife |
| Cambrian Angling Association | Llan Ffestiniog | Gwynedd |
| Cambrian Woollen Mill | Llanwrtyd Wells | Powys |
| Cambridge & County Folk Museum | Cambridge | Cambridgeshire |
| Cambridge American Cemetery | Coton | Cambridgeshire |
| Cambridge Arts Theatre | Cambridge | Cambridgeshire |
| Cambridge Brass Rubbing | Cambridge | Cambridgeshire |
| Cambridge City Airport | Cambridge | Cambridgeshire |
| Cambridge Contemporary Art | Cambridge | Cambridgeshire |
| Cambridge Museum of Technology | Cambridge | Cambridgeshire |
| Cambridge Park | St Peter Port | Guernsey |
| Cambridge Tourist Information Centre | Cambridge | Cambridgeshire |
| Cambridge University Botanic Garden | Cambridge | Cambridgeshire |
| Cambuskenneth Abbey | Stirling | Stirling |
| Camden Lock | Camden | Greater London |
| Camel Trail | Bodmin | Cornwall |
| Camel Valley Vineyard | Bodmin | Cornwall |
| Camelford Tourist Information Centre | Camelford | Cornwall |
| Camelia Botnar Homes and Gardens | Horsham | West Sussex |
| Camelot Theme Park | Chorley | Lancashire |
| Camera Obscura | Kirriemuir | Angus |
| Camera Obscura | Edinburgh | Edinburgh |
| Camley Street Natural Park- London Wildlife Trust | | Greater London |
| Campbeltown Airport | Campbeltown | Argyll and Bute |
| Campbeltown Heritage Centre | Campbeltown | Argyll and Bute |
| Campbeltown Museum | Campbeltown | Argyll and Bute |
| Campbeltown Tourist Information Centre | Campbeltown | Argyll and Bute |
| Camperdown Country Park | Dundee | Angus |
| Camperdown Golf Course | Dundee | Angus |
| Camperdown Wildlife Centre | Dundee | Angus |
| Canada House Gallery | Trafalgar Square | Greater London |
| Canal Cruises | Camden | Greater London |
| Canal Gardens | Leeds | West Yorkshire |
| Canal Museum | Stoke Bruerne | Northamptonshire |
| Canary Wharf | Isle of Dogs | Greater London |
| Canaston Wood | Narberth | Pembrokeshire |
| Candacraig Gardens, Gallery & Nursery | Strathdon | Aberdeenshire |
| Candie Gardens | St Peter Port | Guernsey |
| Candlesby Herbs | Candlesby | Lincolnshire |
| Candy Castle | Brighton | Brighton & Hove |
| Canna | Canna | Argyll and Bute |
| Cannington College Heritage Gardens | Bridgewater | Somerset |
| Cannington Countryside Visitors Centre | Bridgewater | Somerset |
| Cannock Chase | Cannock Chase | Staffordshire |
| Cannon Hall Museum | Barnsley | South Yorkshire |
| Canolfan Alltwibio Ll?n Mountainboard Centre | Pwllheli | Gwynedd |
| Canolfan Geffylau Afonwen Pony Riding | Pwllheli | Gwynedd |
| Canolfan Hendre Centre | Bangor | Gwynedd |
| Canolfan Iaith a Threftadaeth Cymru | Pwllheli | Gwynedd |
| Canolfan Tryweryn National Whitewater Centre | Bala | Gwynedd |
| Canolfan Y Plase | Bala | Gwynedd |
| Canons Ashby House | Canons Ashby, Daventry | Northamptonshire |
| Canonteign Falls | Nr Chudleigh | Devon |
| Canterbury Buffs Regimental Museum | Canterbury | Kent |
| Canterbury Cathedral | Canterbury | Kent |
| Canterbury Museums | Canterbury | Kent |
| Canterbury Pottery | Canterbury | Kent |
| Canterbury Roman Museum | Canterbury | Kent |
| Canterbury Royal Museum & Art Gallery | Canterbury | Kent |
| Canterbury Tales | Canterbury | Kent |
| Canterbury Visitor Information Centre | Canterbury | Kent |
| Canterbury West Gate Towers | Canterbury | Kent |
| Cantlop Bridge | Berrington | Shropshire |
| Canvey Railway and Model Engineering Club | Canvey Island | Essex |
| Caol Ila Distillery | Port Askaig, Isle of Islay | Argyll and Bute |
| Cape Wrath | Cape Wrath | Highland |
| Capel Manor Gardens | Enfield | Greater London |
| Capel Manor Gardens | Enfield | Hertfordshire |
| Capesthone Hall | Macclesfield | Cheshire |
| Capstone Farm | Gillingham | Kent |
| Captain Cook Birthplace Museum | Middlesbrough | Middlesbrough |
| Captain Cook Memorial Museum | Whitby | North Yorkshire |
| Captain Cook Schoolroom Museum | Great Ayton | North Yorkshire |
| Captain Cook Schoolroom Museum | Middlesbrough | Middlesbrough |
| Cardew Teapottery | Bovey Tracey | Devon |
| Cardhu Distillery Visitor Centre | Aberlour | Moray |
| Cardiff Castle | Cardiff | Cardiff |
| Cardiff International Airport | Barry | Vale of Glamorgan |
| Cardiff Tourist Information Centre | Cardiff | Cardiff |
| Cardigan Island Coastal Farm Park | Gwbert, Cardigan | Ceredigion |
| Cardigan Tourist Information Centre | Cardigan | Ceredigion |
| Cardinal O Fiaich Heritage Centre | Newry | Co. Down |
| Carding Mill Valley | Church Stretton | Shropshire |
| Cardinham Woods | Nr Bodmin | Cornwall |
| Cardoness Castle | Gatehouse of Fleet | Dumfries and Galloway |
| Carew Castle and Tidal Mill | Carew | Pembrokeshire |
| Carew Cheriton Control Tower | Carew Cheriton | Pembrokeshire |
| Carew Cross | Carew | Pembrokeshire |
| Carew Karting | Sageston | Pembrokeshire |
| Carew Manor Dovecote | Beddington | Greater London |
| Carfax Tower | Oxford | Oxfordshire |
| Carfunnock Country Park | Larne | Co. Antrim |
| Carisbrooke Castle | Carisbrooke, Newport | Isle of Wight |
| CarIyle's House | Chelsea | Greater London |
| Carlisle Airport | Carlisle | Cumbria |
| Carlisle Castle | Carlisle | Cumbria |
| Carlisle Cathedral | Carlisle | Cumbria |
| Carlisle Park and Castle Woods | Morpeth | Northumberland |
| Carlisle Racecourse | Carlisle | Cumbria |
| Carlisle Tourist Information Centre | Carlisle | Cumbria |
| Carlungie Earth House | Mains of Ardestie | Angus |
| Carlyle's Birthplace | Ecclefechan, Lockerbie | Dumfries and Galloway |
| Carmarthen Heritage Centre | Carmarthen | Carmarthenshire |
| Carmarthen Tourist Information Centre | Carmarthen | Carmarthenshire |
| Carmarthenshire County Museum | Carmarthen | Carmarthenshire |
| Carmichael Heritage Centre | Carmichael, Biggar | South Lanarkshire |
| Carn Ban | Lagg, Isle of Arran | North Ayrshire |
| Carn Euny Ancient Village | Sancreed | Cornwall |
| Carn Liath | Golspie | Highland |
| Carnasserie Castle | Kilmartin | Argyll and Bute |
| Carnegie Inverurie Museum | Inverurie | Aberdeenshire |
| Carnegie Leisure Centre | Dunfermline | Fife |
| Carnewas & Bedruthan Steps | Wadebridge | Cornwall |
| Carnoustie Golf Links | Carnoustie | Angus |
| Carnoustie Leisure Centre | Carnoustie | Angus |
| Carnoustie Tourist Information Centre | Carnoustie | Angus |
| Carr Mill Dam | St Helens | Merseyside |
| Carr Taylor Vineyards | Westfield | East Sussex |
| Carradale Network Centre | Carradale | Argyll and Bute |
| Carrawburgh Temple of Mithras | Chollerford | Northumberland |
| Carrbridge Tourist Information Centre | Carrbridge | Highland |
| Carreg Cennen Castle and Farm | Llandeilo | Carmarthenshire |
| Carrick A Rede Rope Bridge | Bushmills | Co. Antrim |
| Carrick House | Eday | Orkney |
| Carrickfergus Castle | Carrickfergus | Co. Antrim |
| Carrickfergus Gasworks | Carrickfergus | Antrim |
| Carron Pottery, Craft & Art Gallery | Strathcarron | Highland |
| Cars of the Stars Motor Museum | Keswick | Cumbria |
| Carsington Water | Nr Ashbourne | Derbyshire |
| Carsluith Castle | Carsluith | Dumfries and Galloway |
| Carsphairn Heritage Centre | Carsphairn | Dumfries and Galloway |
| Carters Teapot Pottery | Debenham | Suffolk |
| Cartmel Priory Gatehouse | Cartmel, Grange-over-Sands | Cumbria |
| Cartoon Art Trust | | Greater London |
| Cartwright Hall Art Gallery | Bradford | West Yorkshire |
| Casbah Coffee Club | Liverpool | Merseyside |
| Cascades Tropical Adventure Pool | Croyde Bay | Devon |
| Cashmere Visitor Centre | Elgin | Moray |
| Castell Coch | Tongwynlais | Cardiff |
| Castell Farm | Llandeilo | Carmarthenshire |
| Castell Henllys Iron Age Fort | near Newport | Pembrokeshire |
| Castle Acre Castle | Castle Acre | Norfolk |
| Castle Acre Priory | Castle Acre | Norfolk |
| Castle Archdale Country Park | Enniskillen | Fermangh |
| Castle Ashby Gardens | Northampton | Northamptonshire |
| Castle Balfour | Lisnaskea | Fermangh |
| Castle Bromwich Hall Gardens | Birmingham | West Midlands |
| Castle Campbell | Dollar | Perth and Kinross |
| Castle Campbell and Garden | Dollar | Stirling |
| Castle Cary and District Museum | Castle Cary | Somerset |
| Castle Climbing Centre | Stoke Newington | Greater London |
| Castle Combe Circuit | Chippenham | Wiltshire |
| Castle Combe Museum | Castle Combe | Wiltshire |
| Castle Coole | Enniskillen | Co. Fermanagh |
| Castle Cornet | St Peter Port | Guernsey |
| Castle Cruises Loch Ness | Drumnadrochit | Highland |
| Castle Douglas Art Gallery | Castle Douglas | Dumfries and Galloway |
| Castle Douglas Tourist Information Centre | Castle Douglas | Dumfries and Galloway |
| Castle Drogo | Drewsteignton | Devon |
| Castle Eden Dene National Nature Reserve | Peterlee | Durham |
| Castle Fraser | Inverurie | Aberdeenshire |
| Castle House Museum | Dunoon | Argyll and Bute |
| Castle Howard | York | York |
| Castle Jail | Jedburgh | Scottish Borders |
| Castle Keep | Castle Garth | Tyne and Wear |
| Castle Kennedy Gardens | Stranraer | Dumfries and Galloway |
| Castle Mania | Amble | Northumberland |
| Castle Menzies | Weem, Aberfeldy | Perth and Kinross |
| Castle Museum | Norwich | Norfolk |
| Castle of Mey, The | Thurso | Highland |
| Castle of Old Wick | Wick | Highland |
| Castle of St John | Stranraer | Dumfries and Galloway |
| Castle Ring Iron Age Hill Fort | Cannock Chase | Staffordshire |
| Castle Rising Castle | Castle Rising, Nr King's Lynn | Norfolk |
| Castle Rushen | Castletown | Isle of Man |
| Castle Semple Collegiate Church | Howwood | Inverclyde |
| Castle Semple Country Park | Lochwinnoch | Renfrewshire |
| Castle Stalker View Café & Gift Shop | Appin | Argyll and Bute |
| Castle Sween | Knapdale | Argyll and Bute |
| Castle Ward | Strangford, Downpatrick | Co. Down |
| Castlebay Tourist Information Centre | Castlebay, Isle of Barra | Western Isles |
| Castlederg Visitors Centre | Castelderg | Co. Tyrone |
| Castlegate House Gallery | Cockermouth | Cumbria |
| Castlelaw Hill Fort | Edinburgh | Edinburgh |
| Castlerigg Stone Circle | Keswick | Cumbria |
| Castleton Village Museum | Castleton | Derbyshire |
| Castlewellan Forest Park | Castlewellan | Down |
| Cat Pottery | North Walsham | Norfolk |
| Cat Pottery: Moorside Design | Leyburn | North Yorkshire |
| Catalyst Science Discovery Centre | Widnes | Halton |
| Catanger Llamas | Towcester | Northamptonshire |
| Catbells | Keswick | Cumbria |
| Cater Museum | Billericay | Essex |
| Caterthuns | Menmuir | Angus |
| Cathedral Church of St Mary and St Helen | Brentwood | Essex |
| Cathedral Church of St Philip, The | Birmingham | West Midlands |
| Cathedral City Cruises | Lincoln | Lincolnshire |
| Cathedral Cruises | Hereford | Herefordshire |
| Cathedral of Our Lady and St Philip Howard | Arundel | West Sussex |
| Catherine Best Studio (Jewellery) | St Martins | Guernsey |
| Catholic Cathedral of St John | Portsmouth | Hampshire |
| Catterick Racecourse | Catterick | North Yorkshire |
| Cattle Country Adventure Park | Berkeley | Gloucestershire |
| Catton Hall | Swadlincote | Derbyshire |
| Caudwell's Mill | Matlock | Derbyshire |
| Causey Arch and Picnic Area | Stanley | Durham |
| Cavalcade of Costume | Blandford Forum | Dorset |
| Cavern City Tours | Liverpool | Merseyside |
| Cavern Club | Liverpool | Merseyside |
| Cavern Quarter | Liverpool | Merseyside |
| Caves of Nottingham, The | Nottingham | Nottinghamshire |
| Cawdor Castle | Nairn | Highland |
| Cawfields Roman Wall (Hadrian`s Wall) | Haltwhistle | Northumberland |
| CC2000 | Canaston Bridge, nr Narberth | Pembrokeshire |
| Cecil Higgins Art Gallery | Bedford | Bedfordshire |
| Cedar Farm Galleries | Ormskirk | Lancashire |
| Cedars Park | Cheshunt | Hertfordshire |
| Cefn Coed Colliery Museum | Crynant, Neath | Neath Port Talbot |
| Cefn Hengoed Leisure Centre | Winch Wen | Swansea |
| Cefn Mably Farm Park | St Mellons | Cardiff |
| Cefn yr Ew Chimpanzee Sanctuary | Caehopkin, Swansea | Swansea |
| Cegin Cymru | Caerphilly | Caerphilly |
| Celf Gallery | Mumbles | Swansea |
| Celgagh Centre | Londonderry | Co. Londonderry |
| Cell Block Museum | Berwick-upon-Tweed | Northumberland |
| Celtic Canoes | Hay-on-Wye | Herefordshire |
| Celtic Corner | Nolton, Nr Newgale | Pembrokeshire |
| Celtic Cruises | Caerphilly | Caerphilly |
| Celtic Football Club | Glasgow | Glasgow |
| Celtic Images Gallery and Crafts | Roch, Haverfordwest | Pembrokeshire |
| Celtica | Machynlleth | Powys |
| Celtica Visitor Centre | Machynlleth | Powys |
| Cenarth Paintball Games | Cenarth | Pembrokeshire |
| Central Art Gallery | Ashton-under-Lyne | Greater Manchester |
| Central Criminal Court (Old Bailey) | | Greater London |
| Central Hall Westminster | Westminster | Greater London |
| Central Library Manchester | Manchester | Greater Manchester |
| Central Museum and Planetarium | Southend-on-Sea | Essex |
| Central Studio | Basingstoke | Hampshire |
| Centre for Alternative Technology, The | Machynlleth | Powys |
| Centre for Contemporary Arts | Glasgow | Glasgow |
| Centre for Life | Newcastle upon Tyne | Tyne and Wear |
| Centre for the Magic Arts | | Greater London |
| Century of Playtime | Paignton | Devon |
| Ceol Na Mara Charters | Portree, Isle of Skye | Highland |
| Ceramic Café | Tenby | Pembrokeshire |
| Ceramic Experience Dunfermline | Dunfermline | Fife |
| Ceramic Experience, The | Crieff | Perth and Kinross |
| Ceramica | Stoke-on-Trent | Staffordshire |
| Ceredigion Museum | Aberystwyth | Ceredigion |
| Cerne Abbas Giant | Cerne Abbas | Dorset |
| Céide Fields Visitor Centre | Ballycastle | Antrim |
| Chadkirk Country Estate | Romiley | Greater Manchester |
| Chain Bridge Honey Farm | Berwick-upon-Tweed | Northumberland |
| Chalice Well | Glastonbury | Somerset |
| Chalybeate Spring | Tunbridge Wells | Kent |
| Chambercombe Manor | Ilfracombe | Devon |
| Champions Bowl | Rosyth | Fife |
| Champions Leisure Centre | Oban | Argyll and Bute |
| Champs Chapel and Museum | East Hendred | Oxfordshire |
| Channel Islands Military Museum | St Ouen | Jersey |
| Chantry Heritage Centre | Gravesend | Kent |
| Chapel Finian | Port William | Dumfries and Galloway |
| Chapel Gallery | Ormskirk | Lancashire |
| Chapel of Art - Capel Celfyddyd | Criccieth | Gwynedd |
| Chapel Royal of St Peter Ad Vincula | City of London | Greater London |
| Chapel Street Studio | Mumbles | Swansea |
| Chappel Galleries | Colchester | Essex |
| Chapter House and Pyx Chamber | Westminster | Greater London |
| Chard & District Museum | Chard | Somerset |
| Chard Tourist Information Centre | Chard | Somerset |
| Charlecote Mill | Hampton Lucy | Warwickshire |
| Charlecote Park | Warwick | Warwickshire |
| Charles Dickens Birth Place Museum | Portsmouth | Hampshire |
| Charles Dickens' London Walk | Temple | Greater London |
| Charleston | Firle, Lewes | East Sussex |
| Charlestown Shipwreck & Heritage Centre | Charlestown | Cornwall |
| Charlton House | Greenwich | Greater London |
| Charmouth Heritage Coast Centre | Charmouth | Dorset |
| Charnwood Museum | Loughborough | Leicestershire |
| Chart Gunpowder Mills | Faversham | Kent |
| Chartley Castle | Weston | Staffordshire |
| Chartwell | Westerham | Kent |
| Chase - London Wildlife Trust | Rainham | Greater London |
| Chasewater Railway | Walsall | Staffordshire |
| Chastleton House | Chastleton, Nr Moreton-in-Marsh | Oxfordshire |
| Chatelherault Country Park | Hamilton | South Lanarkshire |
| Chatley Heath Semaphore Tower | Wisley | Surrey |
| Chatsworth House | Chatsworth, Bakewell | Derbyshire |
| Chatteris Museum | Chatteris | Cambridgeshire |
| Chavenage House | Tetbury | Gloucestershire |
| Cheddar Caves and Gorge | Cheddar | Somerset |
| Cheddar Gorge Cheese Company | Cheddar | Somerset |
| Cheddar Tourist Information Centre | Cheddar | Somerset |
| Chedworth Roman Villa | Yanworth, Nr Cheltenham | Gloucestershire |
| Cheers | Central London | Greater London |
| Chelmer and Blackwater Navigation | Little Baddow | Essex |
| Chelmsford Cathedral | Chelmsford | Essex |
| Chelmsford Museum and Essex Regiment Museum | Chelmsford | Essex |
| Chelmsford Tourist Information Centre | Chelmsford | Essex |
| Chelsea - London's Riverside Village | Sloan Square | Greater London |
| Chelsea Football Club | Chelsea | Greater London |
| Chelsea Physic Garden | Chelsea | Greater London |
| Chelsea World of Sport | Chelsea | Greater London |
| Cheltenham Art Gallery & Museum | Cheltenham | Gloucestershire |
| Cheltenham Racecourse | Cheltenham | Gloucestershire |
| Cheltenham Tourist Information Centre | Cheltenham | Gloucestershire |
| Chenies Manor House | Rickmansworth | Buckinghamshire |
| Chepstow Museum | Chepstow | Monmouthshire |
| Chepstow Racecourse | Chepstow | Monmouthshire |
| Cheriton Tourist Information Centre | Folkestone | Kent |
| Cherrybank Gardens | Cherrybank, Perth | Perth and Kinross |
| Cherryburn | Mickley, Nr Stocksfield | Northumberland |
| Chertsey Meads | Chertsey | Surrey |
| Chertsey Museum | Chertsey | Surrey |
| Cherwell Edge Golf Course | Chacombe | Oxfordshire |
| Cherwell Valley Tourist Information Centre | Ardley | Oxfordshire |
| Cheshire Ice Cream Farm and Tea Rooms | Tattenhall | Cheshire |
| Cheshire Military Museum | Chester | Cheshire |
| Cheshire Myths & Legends Tours | Congleton | Cheshire |
| Cheshire Waterlife Aquatics and Falconry Centre | Sandiway | Cheshire |
| Cheshire Workshops | Burwardsley, Nr Chester | Cheshire |
| Chessell Pottery Barns | Yarmouth | Isle of Wight |
| Chessington World of Adventures | Chessington | Surrey |
| Chester Castle: Agricola Tower and Castle Walls | Chester | Cheshire |
| Chester Cathedral | Chester | Cheshire |
| Chester Heritage Centre | Chester | Cheshire |
| Chester Racecourse | Chester | Cheshire |
| Chester Roman Amphitheatre | Chester | Cheshire |
| Chester Tourist Information Centre | Chester | Cheshire |
| Chester Visitor Centre | Chester | Cheshire |
| Chester Zoo | Chester | Cheshire |
| Chesterfield Museum & Art Gallery | Chesterfield | Derbyshire |
| Chesterfield Tourist Information Centre | Chesterfield | Derbyshire |
| Chesters Bridge Abutment (Hadrian`s Wall) | Hexham | Northumberland |
| Chesters Hill Fort | Drem | East Lothian |
| Chesters Roman Fort and Museum | Hexham | Northumberland |
| Chesters Walled Garden | Chollerford | Northumberland |
| Chestnut Centre | Chapel-en-le-Frith | Derbyshire |
| Chetham's Library | Manchester | Greater Manchester |
| Chettle House | Chettle | Dorset |
| Chevin Forset Park | Otley | West Yorkshire |
| Chew Valley Lake | Chew Stoke | Somerset |
| Chewton Cheese Dairy | Chewton Mendip, Nr Bath | Somerset |
| Chichele College | Highham Ferrers | Northamptonshire |
| Chicheley Hall | Newport Pagnell | Buckinghamshire |
| Chichester Cathedral | Chichester | West Sussex |
| Chichester District Museum | Chichester | West Sussex |
| Chichester Harbour Water Tours | East Wittering | West Sussex |
| Chichester Tourist Information Centre | Chichester | West Sussex |
| Chiddingstone Castle | Edenbridge | Kent |
| Childhood Heritage Museum | Logierait | Perth and Kinross |
| Childhood Memories Toy Museum | Tynemouth | Tyne and Wear |
| Childhood Memories Toy Museum | Coylumbridge | Highland |
| Children's Amusement Park | Pitlochry | Perth and Kinross |
| Childrens Farm and Smugglers Barn | Abbotsbury | Dorset |
| Childsplay Adventureland | Colchester | Essex |
| Chilford Hall Vineyard | Linton | Cambridgeshire |
| Chillingham Castle | Chillingham, Wooler | Northumberland |
| Chiltern Brewery, The | Aylesbury | Buckinghamshire |
| Chiltern Open Air Museum | Chalfont St Giles | Buckinghamshire |
| Chiltern Sculpture Trail | Aston Clinton, Aylesbury | Buckinghamshire |
| China Clay Country Park | Carthew | Cornwall |
| China Museum & Tar Tunnel | Coalport | Shropshire |
| Chink in the Wall Contemporary Gallery, The | Barton-upon-Humber | North Lincolnshire |
| Chipchase Castle | Wark | Northumberland |
| Chippenham Museum and Heritage Centre | Chippenham | Wiltshire |
| Chippenham Tourist Information Centre | Chippenham | Wiltshire |
| Chipping Craft Centre | Chipping | Lancashire |
| Chirk Castle | Chirk | Wrexham |
| Chisbury Chapel | Chisbury, nr Marlborough | Wiltshire |
| Chisholms Highland Dress | Inverness | Highland |
| Chislehurst Caves | Chislehurst | Kent |
| Chiswick House | Chiswick | Greater London |
| Chiswick Town Hall | Chiswick | Greater London |
| Chocolate Factory , The | Swansea | Swansea |
| Cholderton Rare Breeds Farm Park | Cholderton | Wiltshire |
| Cholmondeley Castle Gardens | Malpas | Cheshire |
| Cholsey and Wallingford Railway | Wallingford | Oxfordshire |
| Choraidh Croft Farm Park | Altnaharra | Highland |
| Chris Neale, Landscape Artist | Mathry | Pembrokeshire |
| Christ Church Cathedral | Oxford | Oxfordshire |
| Christ Church Spitalfields | | Greater London |
| Christchurch Castle and Norman House | Christchurch | Dorset |
| Christchurch Mansion | Ipswich | Suffolk |
| Christchurch Priory | Christchurch | Dorset |
| Christchurch Ski Centre | Christchurch | Dorset |
| Christchurch Tourist Information Centre | Christchurch | Dorset |
| Christmas Tree Farm | Orpington | Kent |
| Christopher Wren's London Walk | Tower Hill | Greater London |
| Church Farm Museum | Skegness | Lincolnshire |
| Church Farmhouse Museum | Hendon | Greater London |
| Church House, The | Widecombe-in-the-Moor | Devon |
| Church of Llandrillo yn Rhos | Rhos on Sea, Colwyn Bay, | Conwy |
| Church of St Anne and St Agnes | Central London | Greater London |
| Church of St Annes Limehouse | | Greater London |
| Church of St Mary | Haverfordwest | Pembrokeshire |
| Church of St. John the Baptist | Axbridge | Somerset |
| Church of the Holy Sepulchre | Thetford | Norfolk |
| Church Square Ceramics | St Andrews | Fife |
| Church Stretton Tourist Information Centre | Church Stretton | Shropshire |
| Churchill Tableware | Stoke-on-Trent | Staffordshire |
| Churnet Valley Railway | Cheddleton | Staffordshire |
| Churnet Valley Wildlife Park | Cheadle | Staffordshire |
| Chysauster Ancient Village | New Mill, Nr Penzance | Cornwall |
| Cider Museum & King Offa Distillery | Hereford | Herefordshire |
| Cider Press Centre, The | Dartinton | Devon |
| Cilan Riding Centre | Abersoch | Gwynedd |
| Cilgerran Castle | Nr Cardigan | Pembrokeshire |
| Cilgerran Castle | Cilgerran | Ceredigion |
| Cineworld Multiplex Cinema | Burton-upon-Trent | Staffordshire |
| Cirencester Amphitheatre | Cirencester | Gloucestershire |
| Cirencester Lock Up | Cirencester | Gloucestershire |
| Cirencester Tourist Information Centre | Cirencester | Gloucestershire |
| Ciste Dubh Car Park and Walks | Invergarry | Highland |
| Citadel Arts Centre | St Helens | Merseyside |
| Citadel Leisure Centre | Ayr | South Ayrshire |
| City Arts Centre | Edinburgh | Edinburgh |
| City Cruises | | Greater London |
| City Gallery, The | Leicester | Leicestershire |
| City Gaol & Guildhall, The | Lichfield | Staffordshire |
| City Hall | | Greater London |
| City Hall Entertainment Centre | Salisbury | Wiltshire |
| City Library and Arts Centre | Sunderland | Tyne and Wear |
| City Museum & Art Gallery | Bristol | Bristol |
| City Museum and Art Gallery | Plymouth | Devon |
| City Museum and Records Office | Portsmouth | Hampshire |
| City of Derry Airport | Londonderry | Co. Londonderry |
| City of Norwich Aviation Museum | Norwich | Norfolk |
| City Screen | York | York |
| City Sightseeing | Bath | Bath and North East Somerset |
| City Sightseeing | York | York |
| City Sightseeing | Chester | Cheshire |
| City Sightseeing | Inverness | Highland |
| City Sightseeing | Glasgow | Glasgow |
| City Sightseeing | Edinburgh | Edinburgh |
| City Sightseeing Birmingham | Birmingham | West Midlands |
| City Sightseeing Cardiff | Cardiff | Cardiff |
| City Sightseeing Lincoln | Lincoln | Lincolnshire |
| City Sightseeing Llandudno | Llandudno | Conwy |
| City Sightseeing Ltd Brighton | Brighton | Brighton & Hove |
| City Sightseeing Ltd Cambridge | Cambridge | Cambridgeshire |
| City Sightseeing Ltd Dover | Dover | Kent |
| City Sightseeing Ltd Stonehenge | Salisbury | Wiltshire |
| City Sightseeing Oxford | Oxford | Oxfordshire |
| City Sightseeing Perth | Perth | Perth and Kinross |
| City Sightseeing Plymouth | Plymouth | Devon |
| City Sightseeing Portsmouth | Portsmouth | Hampshire |
| City Sightseeing Stratford-upon-Avon | Stratford-upon-Avon | Warwickshire |
| City Sightseeing Tours | Norwich | Norfolk |
| City Temple | Holborn | Greater London |
| City Varieties Music Hall | Leeds | West Yorkshire |
| City Walls | Londonderry | Co. Londonderry |
| Clachan Bridge | Isle of Seil | Argyll and Bute |
| Clackmannan Tower | Clackmannan | Clackmannanshire |
| Clacton Pier | Clacton-On-Sea | Essex |
| Clacton Shopping Village | Clacton | Essex |
| Clacton-on-Sea Tourist Information Centre | Clacton-On-Sea | Essex |
| Claggan Crafts | Claggan | Highland |
| Claife Heights | Near Sawrey | Cumbria |
| Clambers Play Centre | Hastings | East Sussex |
| Clan Armstrong Centre | Canonbie | Dumfries and Galloway |
| Clan Cameron Museum | Achnacarry, Nr Spean Bridge | Highland |
| Clan Donald Visitor Centre | Armadale, Isle of Skye | Highland |
| Clan Donnachaidh Museum | Blair Atholl, Pitlochry | Perth and Kinross |
| Clan Macpherson Museum | Newtonmore | Highland |
| Clan Tartan Centre | Edinburgh | Edinburgh |
| Clan Trees Garden Nursery | Kilmore | Argyll and Bute |
| Clandon Park | West Clandon, Guildford | Surrey |
| Clanland & Sealpoint | Evanton | Highland |
| Clansman Centre, The | Fort Augustus | Highland |
| Clare Ancient House Museum | Clare | Suffolk |
| Clare Castle Country Park | Clare | Suffolk |
| Claremont Landscape Garden | Esher | Surrey |
| Clarence House | St James's | Greater London |
| Clarence Pier Amusement Park | Southsea | Hampshire |
| Clarks Village | Street | Somerset |
| Clashindarroch Forest | Rhynie | Aberdeenshire |
| Classic Boat Museum, The | Newport | Isle of Wight |
| Classic London | St Pauls | Greater London |
| Classic Murders And Crimes Walk- London's Chamber of Horrors | Embankment | Greater London |
| Clatteringshaws Forest Wildlife Centre | New Galloway | Dumfries and Galloway |
| Clatto Reservoir | Dundee | Angus |
| Claudia Myatt | Narberth | Pembrokeshire |
| Clava Cairns | Culloden Moor, Inverness | Highland |
| Claverton Pumphouse Kennet and Avon Canal | Claverton | Bath and North East Somerset |
| Claybury Woods - London Wildlife Trust | Woodford | Greater London |
| Claydon House | Middle Claydon, Nr Buckingham | Buckinghamshire |
| Claymills Pumping Engines | Stretton, Burton upon Trent | Staffordshire |
| Claypotts Castle | Broughty Ferry | Angus |
| Claythorpe Watermill & Wildfowl Gardens | Alford | Lincolnshire |
| Clearwell Caves | Nr Coleford | Gloucestershire |
| Cleethorpes Coast Light Railway | Cleethorpes | North East Lincolnshire |
| Cleethorpes Humber Estuary Discovery Centre | Cleethorpes | North East Lincolnshire |
| Cleethorpes Tourist Information Centre | Cleethorpes | North East Lincolnshire |
| Cleeve Abbey | Washford | Somerset |
| Cleopatra’s Needle and Sphinxes | Embankment | Greater London |
| Clerk's Well | Islington | Greater London |
| Clerkenhill Adventure Farm | Slebech, nr Haverfordwest | Pembrokeshire |
| Clevedon Court | Clevedon | Somerset |
| Cleveland Ironstone Mining Museum | Skinningrove | Redcar and Cleveland |
| Cleveland Way National Trail | Helmsley | North Yorkshire |
| Cleveleys Tourist Information Centre | Thornton-Cleveleys | Lancashire |
| Cley Hill | Warminster | Wiltshire |
| Click Mill | Dounby | Orkney |
| Clickimin Broch | Nr Lerwick | Shetland |
| Cliffe Castle Museum and Gallery | Keighley | West Yorkshire |
| Clifford's Tower | York | York |
| Clifton Cathedral | Bristol | Bristol |
| Clifton College | Bristol | Bristol |
| Clifton Country Park | Swinton | Greater Manchester |
| Clifton Hall | Nr Penrith | Cumbria |
| Clifton Park Museum | Rotherham | South Yorkshire |
| Clifton Suspension Bridge Visitor Centre | Bristol | Bristol |
| Clink Prison Museum | South Bank | Greater London |
| Clitheroe Castle | Clitheroe | Lancashire |
| Clitheroe Castle Museum | Clitheroe | Lancashire |
| Clitheroe Tourist Information Centre | Clitheroe | Lancashire |
| Cliveden | Maidenhead | Windsor & Maidenhead |
| Cliveden | Taplow, Maidenhead | Buckinghamshire |
| Clog & Craft Shop | Invermoriston | Highland |
| Clog and Shoe Workshop, The | Balmaclellan | Dumfries and Galloway |
| Clouds Hill | Wareham | Dorset |
| Clough Castle | Downpatrick | Co. Londonderry |
| Clovelly | Clovelly | Devon |
| Clowns International Clowns' Gallery and Archive | | Greater London |
| Cluanie Park | Beauly | Highland |
| Clumber Park | Worksop | Nottinghamshire |
| Clun Castle | Clun | Shropshire |
| Clun Local History Museum | Clun | Shropshire |
| Cluny Clays | Cluny | Fife |
| Cluny House Gardens | Aberfeldy | Perth and Kinross |
| Clwyd Theatr Cymru | Mold | Flintshire |
| Clyde Marine Cruises | Greenock | Inverclyde |
| Clyde Muirshiel Regional Park | Gourock | Inverclyde |
| Clyde Muirshiel Regional Park - Barnbrock Farm | Kilbarchan | Inverclyde |
| Clyde Murshiel Regional Park - Castle Semple Visitor Centre | Lockwinnoch | Renfrewshire |
| Clyde Murshiel Regional Park - Muirshiel Visitor Centre | Greenock | Inverclyde |
| Clyde Valley Country Estate | Crossford | Renfrewshire |
| Clydebank Museum | Clydebank | West Dunbartonshire |
| Clydebuilt - Scottish Maritime Museum Braehead | Braehead | Glasgow |
| Clyne Gardens | Blackpill | Swansea |
| Clyne Valley Country Park | Blackpill | Swansea |
| Clynelish Distillery | Brora | Highland |
| Clyston Mill | Broadclyst, Exeter | Devon |
| CMC Pensarn Harbour | Barmouth | Gwynedd |
| Cnoc Freiceadain Long Cairns | Nr Thurso | Highland |
| Coach and Carriage Museum | Fivemiletown | Co. Tyrone |
| Coalbrookdale Museum of Iron | Coalbrookdale | Shropshire |
| Coalhouse Fort | Tilbury | Greater London |
| Coalisland Heritage Centre | Dungannon | Co. Tyrone |
| Coalport China Museum | Coalport | Shropshire |
| Coalville Tourist Information Centre | Coalville | Leicestershire |
| Coastal Rib Tours | Bridgend | Bridgend |
| Coastal Visitors Centre | Ventnor | Isle of Wight |
| Coastal Voyager | Southwold | Suffolk |
| Coats Observatory | Paisley | Renfrewshire |
| Cobb Hall Centre | Lincoln | Lincolnshire |
| Cobbaton Combat Collection | Chittlehampton | Devon |
| Cobham Bus Museum | Cobham | Surrey |
| Cobham Hall | Cobham | Kent |
| Cobridge Stoneware Plc | Cobridge, Stoke-on-Trent | Staffordshire |
| Cochwillan Old Hall | Bangor | Gwynedd |
| Cocken Lodge Golf Course and Golf Driving Range | Leamside | Durham |
| Cockermouth Tourist Information Centre | Cockermouth | Cumbria |
| Cockington Country Park | Cockington | Devon |
| Cockley Cley Iceni Village | Swaffham | Norfolk |
| Coed Craig Ruperra | Caerphilly | Caerphilly |
| Coed Morgannwg Way Long Distance Walk | Port Talbot | Neath Port Talbot |
| Coed Preseli | Slebech | Pembrokeshire |
| Coed Y Brenin Forest Park | Dolgellau | Gwynedd |
| Coed Y Brenin Visitor Centre | Dolgellau | Gwynedd |
| Cogges Manor Farm Museum | Witney | Oxfordshire |
| Coggeshall Grange Barn | Coggeshall, Colchester | Essex |
| Coggeshall Heritage Centre | Coggeshall, Colchester | Essex |
| Cogglesford Watermill | Sleaford | Lincolnshire |
| Coity Castle | Coity | Bridgend |
| Colbost Croft Museum | Colbost, Nr Dunvegan, Isle of Skye | Highland |
| Colby Gallery | Narberth | Pembrokeshire |
| Colby Woodland Garden | Narberth | Pembrokeshire |
| Colchester Castle | Colchester | Essex |
| Colchester Castle Museum | Colchester | Essex |
| Colchester Visitor Information Centre | Colchester | Essex |
| Colchester Zoo | Colchester | Essex |
| Coldharbour Mill | Uffculme, Cullompton | Devon |
| Coldstream Museum | Coldstream | Scottish Borders |
| Coldstream Tourist Information Centre | Coldstream | Scottish Borders |
| Coleford Tourist Information Centre | Coleford | Gloucestershire |
| Coleg Trefeca | Brecon | Powys |
| Coleham Pumping Station | Shrewsbury | Shropshire |
| Colemans Animal Farm | Porchfield, Newport | Isle of Wight |
| Coleraine Tourist Information Centre | Coleraine | Coleraine |
| Coleridge Cottage | Nether Stowey, Bridgewater | Somerset |
| Coleton Fishacre | Kingwear | Devon |
| Colfin Smokehouse | Portpatrick | Dumfries and Galloway |
| Colfin Smokehouse | Portpatrick | Argyll and Bute |
| Colin Almack Beaver Furniture | Sutton-under-Whitestonecliffe | North Yorkshire |
| Colin Morse Studio | Castlemorris | Pembrokeshire |
| Colintraive Community Garden | Colintraive | Argyll and Bute |
| Collectors World | Downham Market | Norfolk |
| College of Arms | City of London | Greater London |
| College of Piping | Glasgow | Glasgow |
| Colleonard Sculpture Garden & Gallery | Banff | Aberdeenshire |
| Colliers Moss Common | St Helens | Merseyside |
| Colliford Lake Park | St Neot, Liskeard | Cornwall |
| Collins Gallery | Glasgow | Glasgow |
| Colne Valley Museum | Golcar | West Yorkshire |
| Colne Valley Park Visitor Centre | Uxbridge | Buckinghamshire |
| Colne Valley Railway and Farm Park | Castle Hedingham | Essex |
| Colonsay House Gardens | Kiloran, Isle of Colonsay | Argyll and Bute |
| Colour Box Scotland | Lauder | Scottish Borders |
| Colour Museum, The | Bradford | West Yorkshire |
| Colston Hall | Bristol | Bristol |
| Colston’s Almshouse | Bristol | Bristol |
| Columba Centre | Fionnphort, Isle of Mull | Argyll and Bute |
| Columban Heritage Trail | Derry | Co. Londonderry |
| Colwith Force | Little Langdale | Cumbria |
| Colwyn Bay Tourist Information Centre | Colwyn Bay | Conwy |
| Colzium House and Estate | Kilsyth | North Lanarkshire |
| Comann Eachdraidh Lios Mor | Isle of Lismore | Argyll and Bute |
| Combe Martin Museum | Combe Martin | Devon |
| Combe Martin Tourist Information Centre | Combe Martin | Devon |
| Combe Martin Wildlife and Dinosaur Park | Combe Martin | Devon |
| Combe Sydenham Hall and Country Park | Taunton | Somerset |
| Combined Operations Museum | Inveraray | Argyll and Bute |
| Comiongon Castle | Clarencefield, Dumfries | Dumfries and Galloway |
| Commandery | Worcester | Worcestershire |
| Commonwealth Institute | Kensington | Greater London |
| Compton Acres | Bournemouth | Dorset |
| Compton Castle | Marldon, Paignton | Devon |
| Conderton Pottery | Conderton | Worcestershire |
| Conduit House | Canterbury | Kent |
| Congham Hall Herb Garden | Kings Lynn | Norfolk |
| Congleton Park | Congleton | Cheshire |
| Congleton Tourist Information Centre | Congleton | Cheshire |
| Congress Theatre | Cwmbran | Torfaen |
| Conisbrough Castle | Conisbrough | South Yorkshire |
| Conishead Priory & Buddhist Temple | Nr Ulverston | Cumbria |
| Coniston & Tarn Hows | Coniston | Cumbria |
| Coniston Launch | Coniston | Cumbria |
| Coniston Tourist Information Centre | Coniston | Cumbria |
| Coniston Village | Coniston | Cumbria |
| Conkers | Moira, Nr Ashby de la Zouch | Leicestershire |
| Conkers | Swadlincote | Derbyshire |
| Connections Discovery Centre | Exeter | Devon |
| Connigsby Museum | Hereford | Herefordshire |
| Consall Nature Park | Wetley Rocks, Stoke-on-Trent | Staffordshire |
| Conservation Centre | Liverpool | Merseyside |
| Conservatory Gallery & Business | Cambridge | Cambridgeshire |
| Constable Burton Hall Gardens | Leyburn | North Yorkshire |
| Contemporary Applied Arts | | Greater London |
| Contin Forest Walks | Contin | Highland |
| Conundrum Farm Trail & Fisheries | Berwick-upon-Tweed | Northumberland |
| Conwy Aquatic Centre and Coarse Fishery | Conwy | Conwy |
| Conwy Butterfly Jungle | Conwy | Conwy |
| Conwy Castle | Conwy | Conwy |
| Conwy Falls | Betws y Coed | Conwy |
| Conwy RSPB Nature Reserve | Llandudno Junction | Conwy |
| Conwy Suspension Bridge | Conwy | Conwy |
| Conwy Tourist Information Centre | Conwy | Conwy |
| Conwy Valley Railway | Llandudno | Conwy |
| Conwy Valley Railway Museum | Betws y Coed | Conwy |
| Cookstown Tourist Information Centre | Cookstown | Cookstown |
| Cookworthy Museum | Kingsbridge | Devon |
| Coombe Conduit | Hampton | Greater London |
| Coombe Country Park | Coventry | Warwickshire |
| Coombe Wood - London Wildlife Trust | Raynes Park | Greater London |
| Coombes Farm Tours | Lancing | West Sussex |
| Cooper Gallery | Barnsley | South Yorkshire |
| Coors Visitor Centre & The Museum of Brewing | Burton-upon-Trent | Staffordshire |
| Copeland China Collection | Feock, Nr Truro | Cornwall |
| Copt Heath Wharf | Solihull | West Midlands |
| Coquetdale Arts Centre | Rothbury | Northumberland |
| Coracle Centre & Mill | Cenarth | Pembrokeshire |
| Coral Reef Waterworld | Bracknell | Bracknell Forest |
| Corbiere Lighthouse | St Brelade | Jersey |
| Corbridge Roman Site | Corbridge | Northumberland |
| Corbridge Tourist Information Centre | Corbridge | Northumberland |
| Corfe Castle | Corfe Castle | Dorset |
| Corfe Castle Model Village | Corfe Castle | Dorset |
| Corgarff Castle | Corgarff, Strathdon | Aberdeenshire |
| Corinium Museum | Cirencester | Gloucestershire |
| Cornalees Bridge Visitors Centre | Greenock | Inverclyde |
| Corner House Gallery | Meifod | Powys |
| Cornerhouse | Manchester | Greater Manchester |
| Cornice Museum of Ornamental Plasterwork, The | Peebles | Scottish Borders |
| Cornish Cyder Farm | Truro | Cornwall |
| Cornish Goldsmiths | Tolgus Mill, Nr Portreath | Cornwall |
| Cornish Industrial Heritage Centre | Redruth | Cornwall |
| Cornish Mines & Engines | Pool, nr Redruth | Cornwall |
| Cornwall Pearl | Newquay | Cornwall |
| Corrieshalloch Gorge | Braemore | Highland |
| Corrigall Farm Museum | Harray | Orkney |
| Corrimony Chambered Cairn | Glen Urquhart | Highland |
| Corris Craft Centre | Corris | Gwynedd |
| Corris Railway Museum | Corris | Powys |
| Corris Tourist Information Centre | Corris | Gwynedd |
| Corsham Court | Corsham | Wiltshire |
| Corstophine Dovecot | Edinburgh | Edinburgh |
| Cosmeston Lakes Country Park & Medieval Village | Penarth | Vale of Glamorgan |
| Cotebrook Shire Horse Centre | Tarporley | Cheshire |
| Cotehele | St Dominick, Nr Saltash | Cornwall |
| Cothay Manor & Gardens | Wellington | Somerset |
| Coton Manor Garden | Guilsborough | Northamptonshire |
| Cotswold Canals Trust | Cirencester | Gloucestershire |
| Cotswold Country Cycles | Chipping Campden | Worcestershire |
| Cotswold Falconry Centre | Moreton-In-Marsh | Gloucestershire |
| Cotswold Farm Park | Cheltenham | Gloucestershire |
| Cotswold Heritage Centre | Northleach | Gloucestershire |
| Cotswold Water Park | Cricklade | Wiltshire |
| Cotswold Water Park | Cirencester | Gloucestershire |
| Cotswold Wildlife Park | Burford | Oxfordshire |
| Cotswolds Motoring Museum | Bourton-on-the-Water | Gloucestershire |
| Cottage Museum | Lancaster | Lancashire |
| Cottesbrooke Hall & Gardens | Northampton | Northamptonshire |
| Coughton Court | Nr Alcester | Warwickshire |
| Coulsdon Coppice - London Wildlife Trust | Coulsdon | Surrey |
| Coulter Motte | Biggar | South Lanarkshire |
| Coultershaw Beam Pump | Petworth | West Sussex |
| Countess Pillar | Brougham | Cumbria |
| Countryman Cider | Tavistock | Cornwall |
| Countryside Adventure Park | Arreton, Newport | Isle of Wight |
| Countryside Centre | Ty Croes | Anglesey |
| County Karting | Melton Mowbray | Leicestershire |
| Courcoux & Courcoux | Stockbridge | Hampshire |
| Court Farm Country Park | Banwell | North Somerset |
| Court Hall Museum | Winchelsea | East Sussex |
| Court Room Experience, The | Bodmin | Cornwall |
| Courtauld Institute Gallery | Strand | Greater London |
| Courthouse Museum | Ripon | North Yorkshire |
| Courts Garden, The | Holt, Nr Bradford-on-Avon | Wiltshire |
| Courtyard Gallery | Appleby | Cumbria |
| Cove Conservation Park | Cove, Helensburgh | Argyll and Bute |
| Coventry Airport | Coventry | West Midlands |
| Coventry Cathedral | Coventry | West Midlands |
| Coventry Tourist Information Centre | Coventry | West Midlands |
| Coventry Transport Museum | Coventry | West Midlands |
| Coverwood Lakes, Gardens and Farm | Ewhurst | Surrey |
| Cow Tower | Norwich | Norfolk |
| Cowal Bird Garden | Dunoon | Argyll and Bute |
| Cowells Garden Centre | Woolsington | Tyne and Wear |
| Cowes Maritime Museum | Cowes | Isle of Wight |
| Cowper & Newton Museum, The | Olney | Buckinghamshire |
| Coxwold Pottery | Coxwold | North Yorkshire |
| Crabble Corn Mill | Dover | Kent |
| Craft and Design Centre | Broadwindsor | Dorset |
| Craft of the West | Seaton | Devon |
| Craft Village | Derry | Co. Londonderry |
| Crafts Council Gallery | Islington | Greater London |
| Craggan Fishery & Golf Course | Craggan | Highland |
| Craggan Mill Restaurant, Crafts & Art Gallery | Grantown-on-Spey | Highland |
| Cragganmore Distillery | Ballindalloch | Moray |
| CragRats Theatre & Café Bar | Holmfirth | West Yorkshire |
| Cragside | Rothbury, Morpeth | Northumberland |
| Craig Highland Farm | Plockton | Highland |
| Craig's Dolmen and Broadstone | Ballymena | Antrim |
| Craig-y-Llyn Viewpoint | Rhondda | Rhondda Cynon Taff |
| Craig-y-nos Country Park | Pen-y-cae, Swansea | Swansea |
| Craigieburn Wood Car Park | Moffat | Dumfries and Galloway |
| Craigievar Castle | Alford | Aberdeenshire |
| Craigmillar Castle | Edinburgh | Edinburgh |
| Craignethan Castle | Croddford | South Lanarkshire |
| Craignish Cruises | Ardfern | Argyll and Bute |
| Craignure Tourist Information Centre | Craignure, Isle of Mull | Argyll and Bute |
| Craigower | Nr Pitlochry | Perth and Kinross |
| Craigston Castle | Turriff | Aberdeenshire |
| Craigtoun Country Park | St Andrews | Fife |
| Crail Museum | Crail, Anstruther | Fife |
| Crail Potteries | Crail, Anstruther | Fife |
| Crail Tourist Information Centre | Crail, Anstruther | Fife |
| Crampton Tower Museum | Broadstairs | Kent |
| Cranborne Manor Gardens | Wimborne | Dorset |
| Cranbrook Museum | Cranbrook | Kent |
| Cranbrook Tourist Information Centre | Cranbrook | Kent |
| Cranbrook Union Mill | Cranbrook | Kent |
| Crane Gallery | Mumbles | Swansea |
| Crane Park Island - London Wildlife Trust | Twickenham | Greater London |
| Cranfield Church | Churchtown | Antrim |
| Crannog Cruises | Fort William | Highland |
| Cranwell Aviation Heritage Centre | Sleaford | Lincolnshire |
| Crarae Garden | Inveraray | Argyll and Bute |
| Craster Tourist Information Centre | Craster, Alnwick | Northumberland |
| Crathes Castle | Banchory | Aberdeenshire |
| Craven Museum | Skipton | North Yorkshire |
| Crawford Arts Centre | St Andrews | Fife |
| Crawley Museum | Crawley | West Sussex |
| Creag Meagaidh National Nature Reserve | Kinlock Laggan | Highland |
| Creake Abbey | North Creake | Norfolk |
| Crealy Adventure Park | Clyst St. Mary, Exeter | Devon |
| Crealy Great Adventure Park Cornwall | Wadebridge | Cornwall |
| Cream O' Galloway Visitor Centre | Gatehouse of Fleet | Dumfries and Galloway |
| Creative Café, The | Narberth | Pembrokeshire |
| Creative Crafts | Balmaha | Argyll and Bute |
| Crediton Tourist Information Centre | Crediton | Devon |
| Creetown Gem Rock Museum | Creetown | Dumfries and Galloway |
| Creetown Heritage Museum | Creetown | Dumfries and Galloway |
| Cregneash Village Folk Museum | Cregneash | Isle of Man |
| Cresselly Combat | Cresselly | Pembrokeshire |
| Cressing Temple Barns | Cressing | Essex |
| Cresswell Pond Nature Reserve | Cresswell | Northumberland |
| Creswell Crags Museum & Education Centre | Welbeck, Worksop | Nottinghamshire |
| Criccieth Castle | Criccieth | Gwynedd |
| Crich Tramway Village | Crich | Derbyshire |
| Crichton Castle | Nr Gorebridge | Midlothian |
| Cricket St Thomas Wildlife Park | Nr Chard | Somerset |
| Crickhowell Tourist Information Centre | Crickhowell | Powys |
| Cricklade Museum | Cricklade | Wiltshire |
| Crief Tourist Information Centre | Crieff | Perth and Kinross |
| Crieff Highland Games | Crieff | Perth and Kinross |
| Crinan Harbour | Crinan | Argyll and Bute |
| Croft Castle | Leominster | Herefordshire |
| Croft Circuit | Dalton-on-Tees | Darlington |
| Croft Design | Todmorden | West Yorkshire |
| Croft Farm Leisure and Water Park | Tewkesbury | Worcestershire |
| Croft House Museum | Boddam | Shetland |
| Crofton Beam Engines | Marlborough | Wiltshire |
| Crofton Roman Villa | Orpington | Kent |
| Crofton Roman Villa | Orpington | Greater London |
| Crom Estate | Upper Lough Erne, Newtonbutler | Co. Fermanagh |
| Cromarty Courthouse Museum | Cromarty | Highland |
| Crombie Country Park | Broughty Ferry | Angus |
| Cromer Lifeboat Museum | Cromer | Norfolk |
| Cromer Museum | Cromer | Norfolk |
| Cromer Tourist Information Centre | Cromer | Norfolk |
| Cromer Windmill | Stevenage | Hertfordshire |
| Cromwell Museum | Huntingdon | Cambridgeshire |
| Cromwell`s Castle | New Grimsby | Isles of Scilly |
| Cronkhill House | Atcham, Shrewsbury | Shropshire |
| Crook Hall and Gardens | Sidegate, Durham | Durham |
| Crooked Spire Church | Chesterfield | Derbyshire |
| Crookston Castle | Glasgow | Glasgow |
| Croome Park | Stoke Severn | Wiltshire |
| Croome Park | Severn Stoke | Worcestershire |
| Cross Kirk | Peebles | Scottish Borders |
| Crossness Engines | Abbey Wood | Greater London |
| Crossraguel Abbey | Maybole | South Ayrshire |
| Crown Liquor Saloon | Belfast | Co. Antrim |
| Crown Studio Gallery | Elsdon | Tyne and Wear |
| Crownhill Fort | Plymouth | Devon |
| Crowtree Leisure Centre | Sunderland | Tyne and Wear |
| Croxdale Hall | Durham | Durham |
| Croxden Abbey | Croxden, Nr Uttoxeter | Staffordshire |
| Croxteth Hall and Country Park | Liverpool | Merseyside |
| Croyde Gem, Rock and Shell Museum | Croyde | Devon |
| Croydon Clocktower | Croydon | Greater London |
| Croydon Tourist Information Centre | Croydon | Greater London |
| Cruachan Power Station | Dalmally | Argyll and Bute |
| Cruckley Animal Farm | Driffield | East Riding of Yorkshire |
| Crug Farm Plants | Caernarfon | Gwynedd |
| Cruickshank Botanic Garden | Aberdeen | Aberdeen |
| Cruise Loch Lomand | Tarbet | Argyll and Bute |
| Cruise Loch Ness | Fort Augustus | Highland |
| Crumstane Farm Park | Duns | Scottish Borders |
| Crypt Gallery | Seaford | East Sussex |
| Crystal Glass Visitor Centre | Stourbridge | West Midlands |
| Crystal Palace Museum | Crystal Palace | Greater London |
| Cubbie Row's Castle And St Mary's Chapel | Wyre | Orkney |
| Cuckooland Clock Museum | Knutsford | Cheshire |
| Cudmore Grove Country Park | East Mersea | Essex |
| Cuillin View Gallery & Coffee Shop | Isle of Skye | Highland |
| Culbin Forest | Nairn | Highland |
| Culcreuch Castle | Glasgow | Glasgow |
| Cullerie Farm Park | Westhill | Aberdeenshire |
| Culloden Battlefield Visitor Centre | Culloden Moor, Inverness | Highland |
| Culross Palace | Culross | Fife |
| Culross Abbey | Culross | Fife |
| Culsh Earth House | Culsh | Aberdeenshire |
| Culzean Castle & Country Park | Maybole | South Ayrshire |
| Cumberland Pencil Museum | Keswick | Cumbria |
| Cumberland Toy & Model Museum | Cockermouth | Cumbria |
| Cumbria Classic Coaches | Kirkby Stephen | Cumbria |
| Cuming Museum | Southwark | Greater London |
| Cunninghame Graham Memorial | Aberfoyle | Stirling |
| Curioxity | Oxford | Oxfordshire |
| Curraghs Wildlife Park | Ballaugh | Isle of Man |
| Curtis Museum, The | Alton | Hampshire |
| Customs and Excise Museum | Liverpool | Merseyside |
| Customs House | Souh Shields | Tyne and Wear |
| Cusworth Hall Museum of South Yorkshire Life | Doncaster | South Yorkshire |
| Cutty Sark | Greenwich | Greater London |
| Cuween Hill Chambered Cairn | Finstown | Orkney |
| Cwm Cadian Walks | Dyfli | Gwynedd |
| Cwm Deri Vineyard and Estate | Narberth | Pembrokeshire |
| Cwm Hedd Fishing Lakes | Newport | Newport |
| Cwm Rhaeadr Picnic Site | Cilycwm | Carmarthenshire |
| Cwmcarn Forest Drive & Visitor Centre | Caerphilly | Caerphilly |
| Cwmdonkin Park | Swansea | Swansea |
| Cwmdu Inn Shop Post Office and Cottages | Cwmdu | Carmarthenshire |
| Cwmllwyd Wood Local Nature Reserve | Swansea | Swansea |
| Cwmmau Farmhouse | Brilley, Whitney-on-Wye | Herefordshire |
| CycleQuest | Newport | Pembrokeshire |
| Cyfarthfa Castle, Museum and Art Gallery | Merthyr Tydfil | Merthyr Tydfil |
| Cyfarthfa Ironworks | Merthyr Tydfil | Merthyr Tydfil |
| Cymer Abbey | Dolgellau | Gwynedd |
