| H M Bark Endeavour | Stockton-on-Tees | Redcar and Cleveland |
| H M Frigate Unicorn | Dundee | Angus |
| H-Block Monument | Derry | Co. Londonderry |
| H4 | Yelverton | Devon |
| Ha'penny Pier Visitor Centre | Harwich | Essex |
| Hack Green Secret Nuclear Bunker | Nantwich | Cheshire |
| Hackney City Farm | | Greater London |
| Haddo House | Tarves, Ellon | Aberdeenshire |
| Haddon Hall | Bakewell | Derbyshire |
| Haddonstone Show Garden | Northampton | Northamptonshire |
| Haden Hill House | Cradley Heath | West Midlands |
| Hadleigh Castle | Hadleigh | Essex |
| Hadleigh Castle Country Park | Hadleigh | Essex |
| Hadrian's Wall & Housesteads Fort | Bardon Mill, Hexham | Northumberland |
| Hadrian's Wall Path National Trail | Hexham | Northumberland |
| Hafna Mine Car Park | Llanrwst | Conwy |
| Hafod Gardens | Hafod, Pontrhydygroes | Ceredigion |
| Hagley Hall | Hagley | Worcestershire |
| Haig Colliery Mining Museum | Whitehaven | Cumbria |
| Haigh Hall and Country Park | Wigan | Greater Manchester |
| Hailes Abbey | Nr Winchcombe, Cheltenham | Gloucestershire |
| Hailes Castle | East Linton | East Lothian |
| Hainault Forest Country Park | Chigwell | Essex |
| Haldon Belvedere | Higher Ashton, Exeter | Devon |
| Hales Hall Barn and Gardens | Loddon | Norfolk |
| Halesowen Abbey | Halesowen | West Midlands |
| Halesworth Gallery | Halesworth | Suffolk |
| Halifax Tourist Information Centre | Halifax | West Yorkshire |
| Hall & Woodhouse Brewery Visitor Centre | Blandford Forum | Dorset |
| Hall for Cornwall | Truro | Cornwall |
| Hall Hill Farm | Nr Lanchester | Durham |
| Hall Place | Bexley | Kent |
| Hall Place | Bexley | Greater London |
| Hall-ith-Wood Museum | Bolton | Greater Manchester |
| Hallaton Museum | Hallaton | Leicestershire |
| Halliggye Fogou | Garras, Nr Helston | Cornwall |
| Halliwell's House Museum & Robson Gallery | Selkirk | Scottish Borders |
| Hall’s Croft | Stratford-upon-Avon | Warwickshire |
| Haltwhistle Tourist Information Centre | Haltwhistle | Northumberland |
| Ham House | Richmond-upon-Thames | Greater London |
| Hamerton Zoological Park | Steeple Gidding, Huntingdon | Cambridgeshire |
| Hamilton Tourist Information Centre | Hamilton | North Lanarkshire |
| Hamilton Toy Collection | Callander | Perth and Kinross |
| Hammersmith and Fulham Irish Centre | Hammersmith | Greater London |
| Hampshire Brewery | Romsey | Hampshire |
| Hampstead Museum | Hampstead | Greater London |
| Hampton Court Gardens | Nr Leominster | Herefordshire |
| Hampton Court Palace | Hampton | Surrey |
| Hampton Hill Gallery | Hampton Hill | Greater London |
| Hamptonne Country Life Museum | St Lawrence | Jersey |
| Hamptworth Lodge | Salisbury | Wiltshire |
| Hamsterley Forest | Bishop Auckland | Durham |
| Hanbury Hall | Droitwich | Worcestershire |
| Hancock Museum | Newcastle upon Tyne | Tyne and Wear |
| Handa Ferry | Scourie | Highland |
| Handel House Museum | Mayfair | Greater London |
| Handloom Weavers | Tarbet | Argyll and Bute |
| Hands On Hideaway | Creselly, Kilgetty | Pembrokeshire |
| Hands On History - The Old Grammar School | Hull | Kingston upon Hull |
| HanGer81 Skate Park | Aberbargoed | Caerphilly |
| Hannah Peschar Gallery and Sculpture Garden | Dorking | Surrey |
| Hanningfield Reservoir Centre | Billericay | Essex |
| Hansard Gallery | Southampton | Hampshire |
| Happy Hollow Pitch and Putt | St Martins | Guernsey |
| Harborough Museum | Market Harborough | Leicestershire |
| Harbour Cottage Gallery | Kirkcudbright | Dumfries and Galloway |
| Harbour Lights | Southampton | Hampshire |
| Harbour Museum | Londonderry | Co. Londonderry |
| Harbour Park | Littlehampton | West Sussex |
| Harbour View Gallery | Port of Ness, Isle of Lewis | Western Isles |
| Harbourne Vineyard | Ashford | Kent |
| Harcourt Arboretum | Nuneham Courtenay | Oxfordshire |
| Hardcastle Crags and Gibson Mill | Hebden Bridge | West Yorkshire |
| Hardknott Roman Fort | Hardknott Pass | Cumbria |
| Hardwick Hall | Chesterfield | Derbyshire |
| Hardwick Hall Country Park | Sedgefield | Stockton-on-Tees |
| Hardwick Old Hall | Nr Chesterfield | Derbyshire |
| Hardy Monument | Black Down, Portesham | Dorset |
| Hardy's Animal Farm | Skegness | Lincolnshire |
| Hardy's Cottage | Higher Bockhampton, Nr Dorchester | Dorset |
| Hare Hill | Over Alderley, Macclesfield | Cheshire |
| Hare Hill (Hadrian`s Wall) | Lanercost | Cumbria |
| Hare Lane Pottery | Cranbourne | Dorset |
| Hareshaw Linn | Bellingham | Northumberland |
| Haretanes Visitor Centre | By Ancrum, Jedburgh | Scottish Borders |
| Harewood House & Gardens | Leeds | West Yorkshire |
| Harlech Castle | Harlech | Gwynedd |
| Harlech Tourist Information Centre | Harlech | Gwynedd |
| Harlequin Puppet Theatre | Colwyn Bay | Conwy |
| Harlequin Theatre & Cinema | Redhill | Surrey |
| Harley Gallery, The | Welbeck, Worksop | Nottinghamshire |
| Harmony Garden | Melrose | Scottish Borders |
| Harrington Aviation Museum | Harrington | Northamptonshire |
| Harrington Aviation Museums | Northampton | Northamptonshire |
| Harris Museum and Art Gallery | Preston | Lancashire |
| Harris Tweed Weaving & Knitting | Harris | Western Isles |
| Harrogate Tourist Information Centre | Harrogate | North Yorkshire |
| Harrold-Odell Country Park | Harrold | Bedfordshire |
| Harrow School Tours | Harrow | Greater London |
| Harrow's Scar Milecastle (Hadrian`s Wall) | Birdoswald | Cumbria |
| Harryville Motte | Ballymena | Antrim |
| Harry`s Walls | Hugh Town | Isles of Scilly |
| Hart Saxon Church Saint Mary Magdalene | Hart Village | Hartlepool |
| Harthope Valley | Wooler | Northumberland |
| Hartland Abbey | Hartland, Bideford | Devon |
| Hartlepool Art Gallery | Hartlepool | Hartlepool |
| Hartlepool Historic Quay | Hartlepool | Hartlepool |
| Hartlepool Tourist Information Centre | Hartlepool | Hartlepool |
| Hartlepool's Maritime Experience | Hartlepool | Hartlepool |
| Hartsholme Country Park | Lincoln | Lincolnshire |
| Harvard House | Stratford-upon-Avon | Warwickshire |
| Harvington Hall | Nr Kidderminster | Worcestershire |
| Harwich Redoubt Fort | Harwich | Essex |
| Haslemere Educational Museum | Haslemere | Surrey |
| Hastings Castle | Hastings | East Sussex |
| Hastings Museum & Art Gallery | Hastings | East Sussex |
| Hastings Old Town Tourist Information Centre | Hastings | East Sussex |
| Hastings Tourist Information Centre | Hastings | East Sussex |
| Hat Works | Stockport | Greater Manchester |
| Hat Works | Southport | Merseyside |
| Hatchlands Park | East Clandon, Guildford | Surrey |
| Hatfield Earthworks | Marden, Nr Devizes | Wiltshire |
| Hatfield Forest | Takeley, Nr Bishop's Stortford | Essex |
| Hatfield House | Hatfield | Hertfordshire |
| Hatfield Water Park | Hatfield | South Yorkshire |
| Hatton Country World | Warwick | Warwickshire |
| Hatton Gallery | Newcastle upon Tyne | Tyne and Wear |
| Haughley Park | Haughly | Suffolk |
| Haughmond Abbey | Nr Shrewsbury | Shropshire |
| Haunted Kingdom | Seahouses | Northumberland |
| Haunted London Walk | Monument | Greater London |
| Haute Tombette | St Helier | Jersey |
| Hauxley Nature Reserve and Visitor Centre | Amble | Northumberland |
| Havant Arts Active | Havant | Hampshire |
| Havant Museum | Havant | Hampshire |
| Havant Tourist Information Centre | Havant | Hampshire |
| Haverfordwest Air Charter Services | Haverfordwest | Pembrokeshire |
| Haverfordwest Castle | Haverfordwest | Pembrokeshire |
| Haverfordwest Tourist Information Centre | Haverfordwest | Pembrokeshire |
| Haverfordwest Town Museum | Haverfordwest | Pembrokeshire |
| Haverhill and District Local History Centre | Haverhill | Suffolk |
| Hawes Ropemaker | Hawes | North Yorkshire |
| Hawes Tourist Information Centre | Hawes | North Yorkshire |
| Hawford Dovecote | Hawford | Wiltshire |
| Hawford Dovecote | Hawford | Worcestershire |
| Hawick Museum & Scott Gallery | Hawick | Scottish Borders |
| Hawk Conservancy Trust | Weyhill | Hampshire |
| Hawkshead | Hawkshead | Cumbria |
| Hawkshead Trout Farm | Hawkshead | Cumbria |
| Hawkstone Hall and Gardens | Marchamley | Shropshire |
| Hawkstone Park & Follies | Nr Shrewsbury | Shropshire |
| Haworth Art Gallery | Accrington | Lancashire |
| Haworth home of the Bronte Sisters | Haworth | West Yorkshire |
| Haworth Tourist Information Centre | Haworth | West Yorkshire |
| Hay-on-Wye Tourist Information Centre | Hay-on-Wye | Herefordshire |
| Haydock Park Racecourse | Newton-le-Willows | Merseyside |
| Hayes Garden World | Ambleside | Cumbria |
| Hayley Wood | Longstowe | Cambridgeshire |
| Hayling Island Tourist Information Centre | Hayling Island | Hampshire |
| Haymarket Theatre | Basingstoke | Hampshire |
| Haynes Motor Museum | Sparkford | Somerset |
| Haysden Country Park | Tonbridge | Kent |
| Haystacks | Buttermere | Cumbria |
| Hayward Gallery | | Greater London |
| Hazel Brow Farm Vistor Centre | Richmond | North Yorkshire |
| Hazel Kaye's Garden & Nursery | Rearsby | Leicestershire |
| Hazelhead Lake | Saltersgate | North Yorkshire |
| Hazle Ceramics Workshop | Great Warley | Essex |
| Headcorn Art Gallery | Headcorn, Ashford | Kent |
| Heads of Ayr Park | Ayr | South Ayrshire |
| Heage Windmill | Heage | Derbyshire |
| Heale House Garden & Plant Centre | Middle Woodford, Salisbury | Wiltshire |
| Heart of the Country Village | Lichfield | Staffordshire |
| Heartys Folk Cottage | Crossmaglen | Co. Down |
| Heatherbank Museum | Glasgow | Glasgow |
| Heathergems | Pitlochry | Perth and Kinross |
| Heatherslaw Cornmill | Ford & Etal | Northumberland |
| Heatherton Country Sports Park | Tenby | Pembrokeshire |
| Heatheryford Art Gallery | Kinross | Perth and Kinross |
| Heathrow Airport Tourist Information Centre | Hounslow | Greater London |
| Heaton Cooper Studio | Grasmere | Cumbria |
| Heaton Hall | Manchester | Greater Manchester |
| Heaven Farm | Uckfield | East Sussex |
| Hebden Bridge Mill | Hebden Bridge | West Yorkshire |
| Hebden Bridge Tourist Information Centre | Hebden Bridge | West Yorkshire |
| Hebredian Adventure | Tobermory, Isle of Mull | Argyll and Bute |
| Hebredian Whale and Dolphin Trust | Tobermory, Isle of Mull | Argyll and Bute |
| Hebridean Croft Originals | Lochboisdale, South Uist | Western Isles |
| Hebridean Jewellery | Iodar, South Uist | Western Isles |
| Heckington Windmill | Heckington | Lincolnshire |
| Heddon Valley Shop | Parracombe, Barnstable | Devon |
| Heddon-on-the-Wall (Hadrian`s Wall) | Heddon | Northumberland |
| Hedgehog Hospital & British Wildlife Garden Centre | Newton Abbot | Devon |
| Hedingham Castle | Halstead | Essex |
| Hednesford Hills Raceway | Hednesford | Staffordshire |
| Heeley City Farm | Sheffield | South Yorkshire |
| Heighley Gate Garden Centre | Morpeth | Northumberland |
| Heights of Abraham Caverns | Matlock | Derbyshire |
| Heirloom Carriages | Liversedge | West Yorkshire |
| Helen of Ranworth Boat Trip | Ranworth | Norfolk |
| Helena Thompson Museum, The | Workington | Cumbria |
| Helensburgh Tourist Information Centre | Helensburgh | Argyll and Bute |
| Helicentre Blackpool Ltd | Blackpool | Lancashire |
| Helicharter Wales | Haverfordwest | Pembrokeshire |
| Helicopter Museum, The | Weston-Super-Mare | Somerset |
| Hell-Fire Caves | West Wycombe | Buckinghamshire |
| Helmingham Hall Gardens | Stowmarket | Suffolk |
| Helmsdale Tourist Information Centre | Helmsdale | Highland |
| Helmshore Textile Museums | Helmshore | Lancashire |
| Helmsley Castle | Helmsley | North Yorkshire |
| Helmsley Tourist Information Centre | Helmsley | North Yorkshire |
| Helmsley Walled Garden | Helmsley | North Yorkshire |
| Helston and Lizard Peninsula Tourist Information Centre | Helston | Cornwall |
| Helston Folk Museum | Helston | Cornwall |
| Hemel Hempstead Tourist Information Centre | Hemel Hempstead | Hertfordshire |
| Hemerdon House | Plymouth | Devon |
| Hemsworth Water Park and Playworld | Pontefract | West Yorkshire |
| Hemyock Castle | Hemyock | Devon |
| Hen Gwrt (Old Court) | Abergavenny | Monmouthshire |
| Henblas Country Park | Bodorgan | Anglesey |
| Hendre Waelod Neolithic Burial Chamber | Conwy | Conwy |
| Henfield Museum | Henfield | West Sussex |
| Hengrave Hall | Hengrave | Suffolk |
| Henley-in-Arden Heritage Centre | Henley-in-Arden | West Midlands |
| Henllys Farm | Felindre Farchog, Newport | Pembrokeshire |
| Henry Blogg Museum | Cromer | Norfolk |
| Henry Moore Foundation | Much Hadham | Hertfordshire |
| Henry Moore Institute, The | Leeds | West Yorkshire |
| Henry Watson Potteries | Wattisfield | Norfolk |
| Heptonstall Museum | Hebden Bridge | West Yorkshire |
| Herb Farm and Saxon Maze | Sonning Common | Oxfordshire |
| Herbert Art Gallery and Museum, The | Coventry | West Midlands |
| Hereford Cathedral | Hereford | Herefordshire |
| Hereford Museum and Art Gallery | Hereford | Herefordshire |
| Hereford Racecourse | Hereford | Herefordshire |
| Hereford Tourist Information Centre | Hereford | Herefordshire |
| Hergest Croft Gardens | Kington | Herefordshire |
| Heritage Canoes | Cilgerran | Pembrokeshire |
| Heritage Centre | Upton-upon-Severn | Worcestershire |
| Heritage Centre | Macclesfield | Cheshire |
| Heritage Centre | Isle of Ulva | Argyll and Bute |
| Heritage Centre, The | Bellingham | Northumberland |
| Heritage Great Britain | Liverpool | Merseyside |
| Heritage Motor Centre | Gaydon | Warwickshire |
| Heritage Royal Mail | | Greater London |
| Herm Tourist Information Centre | | Herm |
| Hermaness National Nature Reserve Visitor Centre | Burrafirth, Unst | Shetland |
| Hermitage Castle | Liddesdale | Scottish Borders |
| Hermitage Rooms | Strand | Greater London |
| Hermitage, The | Dunkeld | Perth and Kinross |
| Herne Bay Museum & Gallery | Herne Bay | Kent |
| Herne Windmill | Herne Bay | Kent |
| Heron Corn Mill & Museum | Milnthorpe | Cumbria |
| Herons Brook Animal Park and Golf Course | Narberth | Pembrokeshire |
| Herschel House Museum | Bath | Bath and North East Somerset |
| Herstmonceux Castle Gardens | Herstmonceux, Hailsham | East Sussex |
| Hertford Museum | Hertford | Hertfordshire |
| Hertford Tourist Information Centre | Hertford | Hertfordshire |
| Heskin Hall Antiques | Heskin | Lancashire |
| Hestercombe Gardens | Cheddon Fitzpane, Taunton | Somerset |
| Hever Castle & Gardens | Hever, Edenbridge | Kent |
| Hexham Abbey | Hexham | Northumberland |
| Hexham Moothall and Gallery | Hexham | Northumberland |
| Hexham Racecourse | Hexham | Northumberland |
| Hexham Tourist Information Centre | Hexham | Northumberland |
| Hezlett House | Castlerock, Coleraine | Co. Londonderry |
| Hickstead Showground | Hickstead | West Sussex |
| Hidcote Manor Garden | Hidcote Bartrim, nr Chipping Campden | Gloucestershire |
| Hidden London Walk | Monument | Greater London |
| Hidden Pubs Of Old London Town London Walk | Temple | Greater London |
| Hidden Spring Vineyard and Orchard | Heathfield | East Sussex |
| Hidden Valley | St Thomas, Launceston | Cornwall |
| High Action | Churchill | Somerset |
| High Beeches Woodland & Water Gardens | Handcross | West Sussex |
| High Cross House | Dartington Hall, Totnes | Devon |
| High Force Waterfall | Middleton-in-Teesdale | Durham |
| High Legh Garden Centre Limited | Knutsford | Cheshire |
| High Lodge Forest Centre | Brandon | Norfolk |
| High Moorland Visitor Centre | Princetown | Devon |
| High Peak Estate | Edale End | Derbyshire |
| High Peak Junction Workshop | Cromford | Derbyshire |
| High Peak Trail | Middleton by Wirksworth | Derbyshire |
| High Salvington Windmill | Worthing | West Sussex |
| High Trek Snowdonia | Caernarfon | Gwynedd |
| High Woods Country Park | Colchester | Essex |
| High Wycombe Tourist Information Centre | High Wycombe | Buckinghamshire |
| Higham Park House and Gardens | Canterbury | Kent |
| Highbank Porcelain | Lochgilphead | Argyll and Bute |
| Highbury Little Theatre | Sutton Coldfield | West Midlands |
| Highclere Castle | Highclere | Hampshire |
| Highclere Castle and Gardens | Newbury | West Berkshire |
| Highcliffe Castle | Highcliffe | Dorset |
| Highdown Gardens | Worthing | West Sussex |
| Highgate Cemetery | Highgate | Greater London |
| Highgate Common Country Park | Nr Dudley | Staffordshire |
| Highland & Rare Breeds Croft | Nr Fort Augustus | Highland |
| Highland & Rare Breeds Farm | Elphin | Highland |
| Highland Art Studios | Luss | Argyll and Bute |
| Highland Folk Museum | Kingussie | Highland |
| Highland Icelandic Horse Trekking | Achnacarry, Nr Spean Bridge | Highland |
| Highland Museum of Childhood | Strathpeffer | Highland |
| Highland Mysteryworld | Glencoe | Highland |
| Highland Park Distillery | Kirkwall | Orkney |
| Highland Safari Tours | Inverness | Highland |
| Highland Stoneware | Lochinver | Highland |
| Highland Voyages | Inverness | Highland |
| Highland Wildlife Park | Kingussie | Highland |
| Highland Wineries | Kirkhill, By Inverness | Highland |
| Highlands &Islands Music and Dance Festival | Oban | Argyll and Bute |
| Hilcote Valley Railway | Eccleshall | Staffordshire |
| Hill Close Gardens | Warwick | Warwickshire |
| Hill Hall | Nr Epping | Essex |
| Hill House, The | Helensburgh | Argyll and Bute |
| Hill House, The | Helensburgh | Glasgow |
| Hill of Tarvit Mansion House & Garden | Cupar | Fife |
| Hill Top | Nr Sawrey, Ambleside | Cumbria |
| Hillier Gardens | Ampfield | Hampshire |
| Hillsborough Fort | Hillsborough | Lisburn |
| Hillside Animal Sanctuary | Norwich | Norfolk |
| Hillside Wildlife Corridor | Swansea | Swansea |
| Hilton Court Gardens | Roch, nr Haverfordwest | Pembrokeshire |
| Himley Hall & Park | Dudley | West Midlands |
| Hinchingbrooke Country Park | Huntingdon | Cambridgeshire |
| Hinckley Tourist Information Centre | Hinckley | Leicestershire |
| Hindhead Commons & Devil's Punch Bowl Café | Hindhead | Surrey |
| Hindu Temple Shri Swaminarayan Mandir | Neasdon | Greater London |
| Hinkley Point A Visitor Centre | Nr Cannington, Bridgewater | Somerset |
| Hinton Ampner Garden | Bramdean, Nr Aresford | Hampshire |
| Hirsel Country Park | Coldstream | Scottish Borders |
| Hirsel, The | Coldstream | Scottish Borders |
| Historic Dockyard | Chatham | Kent |
| Historic Gloucester Docks | Gloucester | Gloucestershire |
| Historic Gloucester Walks & Tours | Gloucester | Gloucestershire |
| Historic Greenwich Walk | Tower Hill | Greater London |
| Historic Heaven Farm | Danehill | East Sussex |
| Historic Resources Centre | Winchester | Hampshire |
| Historic Resources Centre | Annan | Dumfries and Galloway |
| Historic Warships | Birkenhead | Merseyside |
| Historylinks Museum | Dornoch | Highland |
| Hitchcocks' | New Alresford | Hampshire |
| Hitchin British Schools | Hitchen | Hertfordshire |
| Hitchin Museum and Art Gallery | Hitchen | Hertfordshire |
| Hitchingbrooke House | Huntingdon | Cambridgeshire |
| HM Customs and Excise National Museum | Liverpool | Merseyside |
| HM Prison Service Museum | Rugby | Warwickshire |
| HMS Belfast | City of London | Greater London |
| HMS Ganges Association Museum | Shotley Gate | Suffolk |
| HMS Trincomalee | Hartlepool | Hartlepool |
| Hoad Monument | Ulverston | Cumbria |
| Hob Hurst`s House | Nr Chesterfield | Derbyshire |
| Hobbies Museum of Fretwork and Craft Centre | Dereham | Norfolk |
| Hodnet Hall Gardens | Nr Market Drayton | Shropshire |
| Hodsock Priory Gardens | Worksop | Nottinghamshire |
| Hofrenfad Ll?n Hovercrafts | Pwllheli | Gwynedd |
| Hog's Back Brewery | Tongham | Surrey |
| Hogarth's House | Chiswick | Greater London |
| Hoghton Tower | Preston | Lancashire |
| Holburne Museum of Art | Bath | Bath and North East Somerset |
| Holden Clough Nursery | Holden | Lancashire |
| Holdenby House & Falconry | Northampton | Northamptonshire |
| Holker Hall & Gardens | Cark In Cartmel | Cumbria |
