| Tabley Collection | Knutsford | Cheshire |
| Taff Buggy Trails | Pontypridd | Caerphilly |
| Taggart Gallery | Great Staughton, St. Neots | Cambridgeshire |
| Taigh Chearsabhagh Museum & Arts Centre | Lochmaddy, Isle of North Uist | Western Isles |
| Tailor of Gloucester | Gloucester | Gloucestershire |
| Tailor’s Hall | Bristol | Bristol |
| Tails of Robin Hood, The | Nottingham | Nottinghamshire |
| Tain Pottery, The | Tain | Highland |
| Tain Through Time | Tain | Highland |
| Tales of the Old Gaolhouse | King's Lynn | Norfolk |
| Taliesin Arts Centre | Swansea | Swansea |
| Talisker Distillery Visitor Centre | Carbost, Isle of Skye | Highland |
| Talkin Tarn Country Park | Brampton | Cumbria |
| Tall Ship at Glasgow Harbour | Glasgow | Glasgow |
| Talley Abbey | Llandeilo | Carmarthenshire |
| Tallington Lakes Limited | Tallington | Lincolnshire |
| Talyllyn Railway | Tywyn | Gwynedd |
| Tam O' Shanter Experience | Ayr | South Ayrshire |
| Tam O'Shanter Urban Farm | Prenton | Merseyside |
| Tamar Cruising | Torpoint | Cornwall |
| Tamar Otter Sanctuary | North Petherwin, Nr Launceston | Cornwall |
| Tamar Valley Donkey Park | Gunnislake | Devon |
| Tameside Hippodrome | Ashton-under-Lyne | Greater Manchester |
| Tamworth Castle | Tamworth | Staffordshire |
| Tamworth Snowdome | Tamworth | Staffordshire |
| Tamworth Tourist Information Centre | Tamworth | Staffordshire |
| Tanfield Railway | Nr Stanley | Durham |
| Tanfield Railway | Nr Stanley | Tyne and Wear |
| Tangmere Military Aviation Museum | Tangmere | West Sussex |
| Tangwick Haa Museum | Eshaness | Shetland |
| Tank Museum | Bovington | Dorset |
| Tankerness House Museum | Kirkwall | Orkney |
| Tantallon Castle | Nr North Berwick | East Lothian |
| Tapeley Park | Westleigh, Bideford | Devon |
| Taplow Court | Taplow | Windsor & Maidenhead |
| Tar Tunnel | Coalport | Shropshire |
| Tarbat Discovery Centre | Portmahomack, Tain | Highland |
| Tarbert Castle | Tarbert | Argyll and Bute |
| Tarbert Tourist Information Centre | Tarbert | Argyll and Bute |
| Tarka Trail Cycle Hire | Barnstaple | Devon |
| Tarn Hows | Hawkshead | Cumbria |
| Tarves Heritage Centre | Tarves, Ellon | Aberdeenshire |
| Tate Britain | Chelsea | Greater London |
| Tate Gallery St Ives | St Ives | Cornwall |
| Tate Liverpool | Liverpool | Merseyside |
| Tate Modern | Westminster | Greater London |
| Tattershall Castle | Tattershall, Lincoln | Lincolnshire |
| Tattershall College | Tattershall | Lincolnshire |
| Tattershall Park Country Club | Tattershall | Lincolnshire |
| Tatton Park | Knutsford | Cheshire |
| Taunton Tourist Information Centre | Taunton | Somerset |
| Taurus Crafts | Lydney | Gloucestershire |
| Tavistock Tourist Information Centre | Tavistock | Devon |
| Taylor Bowls | Glasgow | Glasgow |
| Taymouth Castle Golf Course | Kenmore | Perth and Kinross |
| Taynuilt Golf Club | Taynuilt | Argyll and Bute |
| Tea Pot World | Conwy | Conwy |
| Teapottery Ltd, The | Leyburn | North Yorkshire |
| Teapottery, The | Keswick | Cumbria |
| Techniquest | Cardiff | Cardiff |
| Teddy Bear Museum | Stratford-upon-Avon | Warwickshire |
| Teddy Bear Shop and Vintage Display | Ironbridge, Telford | Shropshire |
| Teddy Bears of Bromyard | Bromyard | Herefordshire |
| Teddy Melrose Teddy Bear Museum | Melrose | Scottish Borders |
| Tees Cottage Pumping Station | Darlington | Darlington |
| Teesside White Water Course | Stockton-on-Tees | Redcar and Cleveland |
| Teggs Nose Country Park | Macclesfield | Cheshire |
| Tehidy Country Park | Tehidy, Camborne | Cornwall |
| Teifi Valley Railway | Newcastle Emlyn | Ceredigion |
| Teignmouth Museum | Teignmouth | Devon |
| Teignmouth Tourist Information Centre | Teignmouth | Devon |
| Telephone Museum | Castel | Guernsey |
| Telford Steam Railway | Telford | Shropshire |
| Telford Tourist Information Centre | Telford | Shropshire |
| Telford Town Park | Telford | Shropshire |
| Temple Church and Gardens | Bristol | Bristol |
| Temple Manor | Strood | Kent |
| Temple Mine | Matlock | Derbyshire |
| Temple Newsham Park & Gardens | Leeds | West Yorkshire |
| Temple of Harmony | Goathurst | Somerset |
| Temple of Mithras (Hadrian`s Wall) | Nr Chollerford | Northumberland |
| Temple Seal Trips | Morston | Norfolk |
| Templeton Woods | Dundee | Angus |
| Ten Acre Wood - London Wildlife Trust | North Hayes | Greater London |
| Tenby Castle | Tenby | Pembrokeshire |
| Tenby Ghost and Guided Walks | Tenby | Pembrokeshire |
| Tenby Museum & Art Gallery | Tenby | Pembrokeshire |
| Tenby Tourist Information Centre | Tenby | Pembrokeshire |
| Tenement House, The | Glasgow | Glasgow |
| Tennent Caledonian Breweries | Glasgow | Glasgow |
| Tennyson Monument | Freshwater Bay | Isle of Wight |
| Tenterden & District Museum | Tenterden | Kent |
| Tenterden Tourist Information Centre | Tenterden | Kent |
| Tenterden Vineyard | Tenterden | Kent |
| Tentsmuir | Leuchars | Fife |
| Terracotta Warriors' Museum | Dorchester | Dorset |
| Terror Potters | Alnwick | Northumberland |
| Terror Tombs | Rhyl | Denbighshire |
| Terror Tower | Scarborough | North Yorkshire |
| Tetbury Police Museum | Tetbury | Gloucestershire |
| Tetbury Tourist Information Centre | Tetbury | Gloucestershire |
| Teversal Trail Visitors Centre | Sutton-in-Ashfield | Nottinghamshire |
| Teversal Trails Visitor Centre | Teversal | Derbyshire |
| Teviot Water Garden | Kelso | Scottish Borders |
| Tewet Tarn | St. John’s | Cumbria |
| Tewkesbury Abbey | Tewkesbury | Gloucestershire |
| Tewkesbury Museum | Tewkesbury | Gloucestershire |
| TGS Bowling | Hereford | Herefordshire |
| Thackray Museum | Leeds | West Yorkshire |
| Thames Barrier | Woolwich | Greater London |
| Thames River Cruise | Caversham, Reading | Reading |
| Thames Valley Falconry and Conservation Centre | Marlow | Buckinghamshire |
| Thatched Cottage, The | Isle of Lismore | Argyll and Bute |
| Thaxted Garden for Butterflies | Thaxted | Essex |
| Thaxted Guildhall | Thaxted | Essex |
| The M&C Collection of Historic Motorcycles | Bakewell | Derbyshire |
| The Tree Shop | Cairndow | Argyll and Bute |
| The Warren - London Wildlife Trust | Orpington | Greater London |
| Theakston Brewery & Visitor Centre | Ripon | North Yorkshire |
| Theatr Gwynedd | Bangor | Gwynedd |
| Theatre by the Lake | Keswick | Cumbria |
| Theatre Colwyn | Colwyn Bay | Conwy |
| Theatre Museum | Covent Garden | Greater London |
| Theatre Royal | Bristol | Bristol |
| Theatre Royal | Bury St Edmunds | Suffolk |
| Theatre Royal | Norwich | Norfolk |
| Theatre Royal | St Helens | Merseyside |
| Theatre Royal | Newcastle upon Tyne | Tyne and Wear |
| Theatre Royal | York | York |
| Theatre Royal Bath | Bath | Bath and North East Somerset |
| Theatre Royal Plymouth | Plymouth | Devon |
| Theatre Royal Winchester | Winchester | Hampshire |
| Thebes Gallery | Church Twitten | East Sussex |
| Thelma Hulbert Gallery | Honiton | Devon |
| Thetford Ancient House Museum | Thetford | Norfolk |
| Thetford Forest Park | Brandon | Norfolk |
| Thetford Priory | Thetford | Norfolk |
| Thetford Warren Lodge | Thetford | Norfolk |
| Thieves' Wood Environment Centre | Kirkby In Ashfield | Nottinghamshire |
| Thinktank-Birmingham's Museum of Science and Discovery | Birmingham | West Midlands |
| Third Floor Arts Centre, The | Portsmouth | Hampshire |
| Thirlestane Castle | Lauder | Scottish Borders |
| Thirsk Museum | Thirsk | North Yorkshire |
| Thirsk Racecourse | Thirsk | North Yorkshire |
| Thirsk Tourist Information Centre | Thirsk | North Yorkshire |
| Thoresby Exhibition Centre | Ollerton, Newark | Nottinghamshire |
| Thorington Hall | Stoke by Nayland, Colchester | Suffolk |
| Thorne Memorial Park Railway | Doncaster | South Yorkshire |
| Thorney Heritage Museum | Peterborough | Cambridgeshire |
| Thornham Walled Garden | Thornham Magna | Suffolk |
| Thornielee Car Park | Walkerburn, Galashiels | Scottish Borders |
| Thornley Woodlands Centre | Rowlands Gill | Tyne and Wear |
| Thornthwaite Galleries | Keswick | Cumbria |
| Thornton Abbey and Gatehouse | Thornton Abbey | North Lincolnshire |
| Thorp Perrow Arboretum & The Falcons of Thorp Perrow | Bedale | North Yorkshire |
| Thorpe Farm Peel House | Barnard Castle | Durham |
| Thorpe Park | Chertsey | Surrey |
| Thorpeness Windmill | Thorpeness | Suffolk |
| Thousand Island Expeditions | St Davids | Pembrokeshire |
| Threave Castle | Castel Douglas | Dumfries and Galloway |
| Threave Garden | Castle Douglas | Dumfries and Galloway |
| Three Choirs Vineyard | Newent | Gloucestershire |
| Three Sisters Racing Circuit | Ashton-in-Makerfield | Greater Manchester |
| Threeways Pottery | Burgh-le-March | Lincolnshire |
| Threlkeld Quarry & Mining Museum | Keswick | Cumbria |
| Threshing Barn, The | Leek | Staffordshire |
| Thrigby Hall Wildlife Gardens | Thrigby | Norfolk |
| Thriller Villa | York | York |
| Throop Mill | Bournemouth | Dorset |
| Thruxton Motor Racing Circuit | Thruxton | Hampshire |
| Thurleigh Farm Centre | Thurleigh | Bedfordshire |
| Thurrock Museum | Grays | Essex |
| Thurrock Tourist Information Centre | Grays | Essex |
| Thursford Collection, The | Thursford, Fakenham | Norfolk |
| Thurso Castle | Thurso | Highland |
| Thurso Heritage Museum | Thurso | Highland |
| Thurso Tourist Information Centre | Thurso | Highland |
| Thwaite Mills Watermill | Leeds | West Yorkshire |
| Tiger Airways | Cheltenham | Gloucestershire |
| Tighnabruaich Gallery | Tighnabruaich | Argyll and Bute |
| Tilbury Fort | Tilbury | Essex |
| Tilgate Park and Nature Centre | Crawley | West Sussex |
| Tiltridge Vineyard | Upton-upon-Severn | Worcestershire |
| Time Capsule | Coatbridge | North Lanarkshire |
| Time Machine Museum | Weston-super-Mare | Somerset |
| Time Travelllers | St Saviour | Jersey |
| Timespan Heritage Centre & Art Gallery | Helmsdale | Highland |
| Timothy Hackworth Victorian & Railway Museum | Shildon | Durham |
| Tingwall Agricultural Museum | Gott | Shetland |
| Tingwall Airport | Gott | Shetland |
| Tinkinswood | St Nicholas | Vale of Glamorgan |
| Tintagel Castle | Tintagel | Cornwall |
| Tintagel Old Post Office | Tintagel | Cornwall |
| Tintagel Toy Museum | Tintagel | Cornwall |
| Tintern Abbey | Chepstow | Monmouthshire |
| Tintern Trail | Tintern | Monmouthshire |
| Tintinhull Garden | Tintinhull, Yeovil | Somerset |
| Tiptree Tearoom, Museum and Shop | Tiptree | Essex |
| Tir Prince Fun Park | Towyn, Abergele | Conwy |
| Tiree Airport | Isle of Tiree | Argyll and Bute |
| Tissington Hall and Gardens | Tissington | Derbyshire |
| Titchfield Abbey | Fareham | Hampshire |
| Titchfield Haven National Nature Reserve | Fareham | Hampshire |
| Titchmarsh Local Nature Reserve | Northampton | Northamptonshire |
| Tithe Barn Museum and Art Centre | Swanage | Dorset |
| Titsey Place and Gardens | Oxted | Surrey |
| Tittesworth Reservoir | Meerbrook, Leek | Staffordshire |
| Tiverton Castle | Tiverton | Devon |
| Tiverton Museum of Mid Devon Life | Tiverton | Devon |
| Tiverton Tourist Information Centre | Tiverton | Devon |
| Toad Hole Cottage Museum | Ludham | Norfolk |
| Tobermory Children's Farm | Tobermory | Argyll and Bute |
| Tobermory Distillery | Tobermory | Argyll and Bute |
| Tobermory Tourist Information Centre | Tobermory | Argyll and Bute |
| Tocketts Mill | Guisborough | North Yorkshire |
| Toddler World | Hemel Hempstead | Hertfordshire |
| Toddler World Dunstable | Dunstable | Bedfordshire |
| Todmorden Tourist Information Centre | Todmorden | West Yorkshire |
| Todmorden Town Hall | Todmorden | West Yorkshire |
| Toft Alpacas | Dunchurch | Warwickshire |
| Tolbooth Art Centre | Kircudbright | Dumfries and Galloway |
| Tolbooth Museum | Stonehaven | Aberdeenshire |
| Tolgus Tin | Redruth | Cornwall |
| Tolhouse Museum | Great Yarmouth | Norfolk |
| Tollark and Garnhall | Castlecary | Falkirk |
| Tollymore Forest Park | Newcastle | Down |
| Tolpuddle Martyrs Museum | Tolpuddle | Dorset |
| Tolquhon Castle | Tolquhon, Tarves | Aberdeenshire |
| Tolquhon Gallery | Tolquhon, Tarves | Aberdeenshire |
| Tolson Museum | Huddersfield | West Yorkshire |
| Tom Brown's School Museum | Faringdon | Oxfordshire |
| Tom Davidson Gallery | Earlston | Scottish Borders |
| Tom Leonard Mining Museum | Saltburn-by-the-sea | Redcar and Cleveland |
| Tomatin Distillery Visitor Centre | Tomatin | Highland |
| Tomb of the Eagles | South Ronaldsay | Orkney |
| Tomintoul Museum | Tomintoul | Moray |
| Tomintoul Tourist Information Centre | Tomintoul | Moray |
| Tomintoul Visitor Centre | Tomintoul | Moray |
| Tommy Taylor's Family Fun Centre | Taunton | Somerset |
| Tonbridge Castle | Tonbridge | Kent |
| Tony Hogan Art Centre Gallery | Rudston | East Riding of Yorkshire |
| Top Gear Indoor Karting | Gilesgate Moor | Durham |
| Topsham Museum | Topsham, Exeter | Devon |
| Torch Theatre | Milford Haven | Pembrokeshire |
| Torhouse Stone Circle | Wigtown | Dumfries and Galloway |
| Tormiston Mill | Nr Kirkwall | Orkney |
| Torosay Castle and Gardens | Craignure | Argyll and Bute |
| Torphichen Preceptory | Torphichen | Falkirk |
| Torquay Museum | Torquay | Devon |
| Torquay Tourist Information Centre | Torquay | Devon |
| Torre Abbey | Torquay | Devon |
| Torridon Countryside Centre | Torridon | Highland |
| Torrington 1646 Civil War Heritage Centre | Torrington | Devon |
| Torrington Museum | Torrington | Devon |
| Totnes Castle | Totnes | Devon |
| Totnes Costume Museum Devonshire Collection of Period Costume | Totnes | Devon |
| Totnes Elizabethan Museum | Totnes | Devon |
| Totnes Guildhall | Totnes | Devon |
| Totnes Tourist Information Centre | Totnes | Devon |
| Totton & Eling Heritage Centre | Totton | Hampshire |
| Touchstones Rochdale | Rochdale | Greater Manchester |
| Tours about Mull | Isle of Mull | Argyll and Bute |
| Tower Amusement Centre | Edinburgh | Edinburgh |
| Tower Arts Centre | Winchester | Hampshire |
| Tower Bridge Exhibition | Bermondsey | Greater London |
| Tower Hamlets Tourist Information Centre | | Greater London |
| Tower Knowe Visitor Centre | Hexham | Northumberland |
| Tower of London | City of London | Greater London |
| Tower of Refuge, The | Douglas | Isle of Man |
| Tower Park Entertainment Centre | Poole | Dorset |
| Town Hall Plate Room Crypt | Oxford | Oxfordshire |
| Town House Museum of Lynn Life | King's Lynn | Norfolk |
| Town Mill, The | Lyne Regis | Dorset |
| Town Wall | Southampton | Hampshire |
| Town Walls | Carrickfergus | Antrim |
| Town Walls Tower | Shrewsbury | Shropshire |
| Towneley Hall Art Gallery and Museum | Burnley | Lancashire |
| Townend | Troutbeck, Windemere | Cumbria |
| Towner Art Gallery & Local Museum | Eastbourne | East Sussex |
| Townsford Mill Antiques Centre | Halstead | Essex |
| Towy Valley Forests | Llandovery | Carmarthenshire |
| Toy Museum | Stow-on-the-Wold | Gloucestershire |
| Traditional Heritage Museum | Sheffield | South Yorkshire |
| Trafalgar Square | Strand | Greater London |
| Trafford Centre | Manchester | Greater Manchester |
| Trafford Ecology Park | Manchester | Greater Manchester |
| Trafford Park Heritage Centre | Manchester | Greater Manchester |
| Trago Mills SD | Stover, Newton Abbot | Devon |
| Traigh Golf Course | Arisaig | Highland |
| Tralee Rally Karting | Benderloch | Argyll and Bute |
| Tramshed, The | Swansea | Swansea |
| Transporter Bridge | Newport | Newport |
| Transporter Bridge and Visitor Centre | Middlesbrough | Middlesbrough |
| Traquair House | Innerleithen | Scottish Borders |
| Treadgold Industrial Heritage Museum | Portsmouth | Hampshire |
| Treak Cliff Cavern | Hope Valley | Derbyshire |
| Treasurer's House | Martock | Somerset |
| Treasurer's House | York | York |
| Treasures of the Earth | St Ouen | Jersey |
| Treasures of the Earth | Corpach, Fort William | Highland |
| Trebah Gardens | Nr Falmouth | Cornwall |
| Trecarrell Manor Chapel and Hall | Trebullett, Launceston | Cornwall |
| Tredegar House & Park | Newport | Newport |
| Trefriw Wells Spa | Betws y Coed | Conwy |
| Trefriw Woollen Mills | Trefriw | Conwy |
| Tregaron Kite Centre & Museum | Treqaron | Ceredigion |
| Tregaron Tourist Information Centre | Tregaron | Ceredigion |
| Tregiffian Burial Chamber | St Buryan | Cornwall |
| Tregrehan Garden | Par | Cornwall |
| Trelissick Garden | Feock, Nr Truro | Cornwall |
| Trelowarren House and Chapel | Mawgan, Helston | Cornwall |
| Trengwainton Garden | Madron, Nr Penzance | Cornwall |
| Trent Bridge | Nottingham | Nottinghamshire |
| Trent River Cruises | Colwick, Nottingham | Nottinghamshire |
| Trerice | Kestle Mill, Nr Newquay | Cornwall |
| Tresco Abbey Gardens | Tresco | Isles of Scilly |
| Trethevy Quoit | St Cleer | Cornwall |
| Trethorne Leisure Farm | Launceston | Cornwall |
| Tretower Court And Castle | Brecon Beacons | Powys |
| Trevarno | Helston | Cornwall |
| Trevithick Cottage | Camborne | Cornwall |
| Trewithen Gardens | Truro | Cornwall |
| Trilakes Animal Park and Fishery | Sandhurst | |
| Trimontium Exhibition | Melrose | Scottish Borders |
| Trinity House National Lighthouse Centre | Penzance | Cornwall |
| Trinity House, Newcastle upon Tyne | Newcastle upon Tyne | Tyne and Wear |
| Trinity Theatre | Tunbridge Wells | Kent |
| Trolleybus Museum at Sandtoft | Sandtoft | North Lincolnshire |
| Troon Tourist Information Centre | Troon | South Ayrshire |
| Tropic House | Newton Stewart | Dumfries and Galloway |
| Tropical Butterfly House | North Anston | South Yorkshire |
| Tropical Wings Butterfly and Bird Gardens | Woodham Ferrers | Essex |
| Tropical World | Leeds | West Yorkshire |
| Tropiquaria Wildlife Park | Watchet | Somerset |
| Trosley Country Park | Vigo Village | Kent |
| Trossachs Pier Complex | Loch Katrine | Stirling |
| Trossachs Woolen Mill | Kilmahog | Stirling |
| Trotternish Art Gallery | Kilmalvag, Isle of Skye | Highland |
| Trotters World of Animals | Bassenthwaite | Cumbria |
| Trow Woollen Weaving Mill | Hawick | Scottish Borders |
| Trowbridge Museum | Trowbridge | Wiltshire |
| Trowbridge Tourist Information Centre | Trowbridge | Wiltshire |
| Troys Hill | Westerham | Kent |
| True's Yard Fishing Museum | King's Lynn | Norfolk |
| Truro Cathedral | Truro | Cornwall |
| Truro Tourist Information Centre | Truro | Cornwall |
| Tuckers Hall | Exeter | Devon |
| Tuckers Maltings | Newton Abbot | Devon |
| Tudor Merchant's House | Tenby | Pembrokeshire |
| Tudor Yeoman's House | Cobham | Kent |
| Tugnet Ice House | Tugnet | Moray |
| Tullaghoge Fort | Cookstown | |
| Tulleys Farm | Turners Hill, Crawley | West Sussex |
| Tullibardine Chapel | Tullibardine | Perth and Kinross |
| Tullie House Museum | Carlisle | Cumbria |
| Tully Castle | Derrygonnelly | Fermangh |
| Tumbledown Farm | Melton Mowbray | Leicestershire |
| Tumblewood | Halstead | Essex |
| Tunbridge Wells Museum & Art Gallery | Tunbridge Wells | Kent |
| Tunbridge Wells Tourist Information Centre | Tunbridge Wells | Kent |
| Tunnels Beaches | Ilfracombe | Devon |
| Tunnels Through Time | Newquay | Cornwall |
| Turkish Baths and Health Spa | Harrogate | North Yorkshire |
| Turner Hous |
