| 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 |
| Cairngorm Chairlift | Aviemore | Highland |
| Cairngorm Reindeer Centre | Glenmore, Aviemore | Highland |
| Cairngorm Whisky Centre | Inverdruie, Aviemore | Highland |
| Cairnholy | Carsluith | Dumfries and Galloway |
| 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 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 |
| Candlesby Herbs | Candlesby | Lincolnshire |
| Candy Castle | Brighton | Brighton & Hove |
| 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 |
| 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 Euny Ancient Village | Sancreed | Cornwall |
| Carnasserie Castle | Lochgilphead | 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 | Keillmore | Argyll and Bute |
| Castle Ward | Strangford, Downpatrick | Co. Down |
| Castlebay Tourist Information Centre | Castlebay, Isle of Barra | Western Isles |
| Castlecary to Westerwood | Castlecary | Falkirk |
| Castlederg Visitors Centre | Castelderg | Co. Tyrone |
| Castlegate House Gallery | Cockermouth | Cumbria |
| 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 |
| 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 |
| Céide Fields Visitor Centre | Ballycastle | Antrim |
| 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 |
| 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 |
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