| U S Grant Ancestral Home | Dungannon | Co. Tyrone |
| UCL Bloomsbury Theatre, The | Bloomsbury | Greater London |
| Uffington Castle, White Horse and Dragon Hill | Woolstone, Nr Wantage | Oxfordshire |
| Ufton Fields Nature Reserve | Ufton | Warwickshire |
| Ugbrooke Park | Chudleigh | Devon |
| Ugie Salmon Fish House | Peterhead | Aberdeenshire |
| Uig Tourist Information Centre | Uig, Isle of Skye | Highland |
| UK Bungee Club | Flockton | West Yorkshire |
| UK Llamas | Mosterton, Beaminster | Dorset |
| Uley Long Barrow (Hetty Pegler`s Tump) | Nr Dursley | Gloucestershire |
| Ullapool Golf Club | Ullapool | Highland |
| Ullapool Museum & Visitor Centre | Ullapool | Highland |
| Ullapool Tourist Information Centre | Ullapool | Highland |
| Ulley Country Park | Ulley | South Yorkshire |
| Ullswater & Aira Force | Aira Force | Cumbria |
| Ullswater Steamers | Pooley Bridge | Cumbria |
| Ullswater Tourist Information Centre | Glenridding | Cumbria |
| Ulster American Folk Park | | Co. Tyrone |
| Ulster Folk & Transport Museum | Holywood | Co. Down |
| Ulster History Park, The | Omagh | Co. Tyrone |
| Ulverscroft Nature Reserve | Nr Loughborough | Leicestershire |
| Ulverston Tourist Information Centre | Ulverston | Cumbria |
| Umberslade Farm | Tanworth-in-Arden | Worcestershire |
| Underground Passages | Exeter | Devon |
| Underwater World | Hastings | East Sussex |
| Undiscovered London Pubs Walk | Monument | Greater London |
| Unicorn Brewery | Stockport | Greater Manchester |
| Unity Theatre | Liverpool | Merseyside |
| University Botanic Garden | Dundee | Angus |
| University Church | Oxford | Oxfordshire |
| University Museum of Archaeology and Anthropology | Cambridge | Cambridgeshire |
| University Museum of Zoology | Cambridge | Cambridgeshire |
| University of Glasgow Visitor Centre | Glasgow | Glasgow |
| University of Hull Art Collection | Kingston-upon-Hull | Kingston upon Hull |
| University of Liverpool Art Gallery | Liverpool | Merseyside |
| University of Oxford Botanic Garden | Oxford | Oxfordshire |
| Unknown East End Walk | Whitechapel | Greater London |
| Unst Boat Haven | Unst | Shetland |
| Unst Heritage Centre | Unst | Shetland |
| Upfront Gallery, Coffee Shop & Marionette Theatre | Unthank | Cumbria |
| Upnor Castle | Upnor | Kent |
| Uppark | South Harting, Petersfield | West Sussex |
| Upper Plym Valley | Nr Yelverton | Devon |
| Upper Wharfedale | Nr Kettlewell | North Yorkshire |
| Upton Castle Gardens | nr Cosherston | Pembrokeshire |
| Upton Country Park | Poole | Dorset |
| Upton Heritage Centre | Upton-upon-Severn | Worcestershire |
| Upton House | Nr Banbury | Warwickshire |
| Upton Marina | Upton-upon-Severn | Worcestershire |
| Upton Upon Severn Tourist Information Centre | Upton-upon-Severn | Worcestershire |
| Urbis - The Museum of Urban Living | Manchester | Greater Manchester |
| Uredale Glass | Masham | North Yorkshire |
| Urquhart Castle | Nr Drumnadrochit | Highland |
| Usher Art Gallery | Lincoln | Lincolnshire |
| Usk Castle | Usk | Monmouthshire |
| Usk Rural Life Museum | Usk | Monmouthshire |
| Uttoxeter Heritage Centre | Uttoxeter | Staffordshire |
| Uttoxeter Racecourse | Uttoxeter | Staffordshire |
