London & the South East

Alfriston Clergy House , Sussex
Amberley Castle, Amberley, West Sussex
Apsley House, London  
Ardington House,Wantage
Arundel Castle, Sussex
Ascott, Buckinghamshire
Ashdown House, Berkshire
Ashridge Estate, Hertfordshire
Avington Park, Winchester 
Basildon Park , Berkshire
Bateman's, Sussex
Belmont, Faversham
Bembridge Windmill, Isle of Wight
Beaulieu, Buckinghamshire  
Big Ben, London
Blenheim Palace, Oxfordshire
Blewcoat School Gift Shop, London
Boarstall Duck Decoy, Buckinghamshire
Boarstall Tower , Buckinghamshire
Bodiam Castle , Sussex
Box Hill, Surrey
Bradenham Village , Buckinghamshire
Breamore House, Fordingbridge, Hampshire  
Brighstone Shop & Museum, Isle of Wight
Broughton Castle, Banbury  
Buckingham Chantry Chapel, Buckinghamshire
Buckingham Palace, London
The Buscot & Coleshill Estates, Oxfordshire
Buscot Old Parsonage, Oxfordshire
Buscot Park , Oxfordshire
Camber Castle, East Sussex
Carisbrooke Castle, Isle of Wight
Canterbury Castle, Kent
Canterbury Cathedral, Canterbury
Carlyle's House, London
Chartwell , Kent
Chastleton House, Oxfordshire
Chelsea Hospital, London
Chenies Manor House, South East
Chicheley Hall, South East  
Chiswick House, London
Chiddingstone Castle, Edenbridge  
Clandon Park , Surrey
Claremont Landscape Garden , Surrey
Clarence House, London
Claydon House, Buckinghamshire
Cliveden, Buckinghamshire
Cobham Hall, Cobham  
College of Arms, London
Dickens' House & Museum, London
Donnington Castle, Berkshire
Dorney Court, London  
Dorneywood Garden , Buckinghamshire
Dover Castle, Kent
Eastbury Manor House, London
Emmetts Garden, Kent
Englefield House, South East  
Exbury Gardens, South East
Eynsford Castle, Kent
Farnham Castle, Surrey
Fenton House, London
Freemason's Hall & Temple, London
George Inn , London
Goldfinger House, London
Goodnestone Park, Canterbury  
Goodrich Castle, Herefordshire
Goodwood House, Chichester  
Great Coxwell Barn, Oxfordshire
Greys Court, Oxfordshire
Guildford Castle, Guildford
Guildford Cathedral Surrey
Ham House, Surrey
Hampton Court , Surrey
Hastings Castle, Kent
Hatchlands Park , Surrey
Hever Castle, Kent
Highclere Castle, Newbury  
Hinton Ampner Garden , Hampshire
Hole Park, Rolvendon, Kent  
The Homewood , Surrey
Houghton Lodge Gardens, Stockbridge 
The Houses of Parliament, London
Hughenden Manor, Buckinghamshire
Ightham Mote , Kent
Keats' House, Hampstead Heath
Kensington Palace, London
Kenwood House, London
Kew Gardens, West Sussex
Kew Palace, West Sussex
King's Head, Buckinghamshire
Kingston Bagpuize House, South East
Knole , Kent
Lamb House , Sussex
Leeds Castle, Kent
Leighton House, London
Leith Hill, Surrey
Lewes Castle, Sussex
Lindsey House, London
London Dungeon, London
Long Crendon Courthouse, Buckinghamshire
Loseley Park, Guildford  
Lullingstone Castle, Enysford  
Marble Hill House, London
Minster Lovell, Oxford
Monk's House , Sussex
Morden Hall Park , London
Mottisfont Abbey Garden , House & Estate, Hampshire
Mottistone Manor Garden , Isle of Wight
Mount Ephraim Gardens, Rochester
Natural World, The
The Needles Old Battery , Isle of Wight
Nether Winchenden House, Aylesbury  
Nymans Garden , Sussex
Oakhurst Cottage, Surrey
Odiham Castle, Hampshire
Old Bailey, London
Old Soar Manor , Kent
Old Town Hall , Newtown , Isle of Wight
Osterley Park , London
Owletts , Kent

South West

A La Ronde, Devon
Antony , Cornwall
Arlington Court , Devon
Avebury Stones, Wiltshire
Avebury Manor & Garden, Wiltshire
Barrington Court , Somerset
Bath Assembly Rooms, Bath & NE Somerset
Bath Pump Rooms
Berkeley Castle, Gloucestershire
Blaise Hamlet, Bristol
Boscastle, Cornwall
Bradley, Devon
Brean Down, North Somerset
Bredon Barn, Worcestershire
Brownsea Island , Dorset
Buckland Abbey, Devon
Carnewas & Bedruthan Steps, Cornwall
Castle Drogo, Devon
Chedworth Roman Villa, Gloucestershire
The Church House, Devon
Clevedon Court, North Somerset
Clouds Hill, Dorset
Coleridge Cottage, Somerset
Coleton Fishacre, Devon
Compton Castle , Devon
Corfe Castle , Dorset
Cornish Mines & Engines, Cornwall
Cotehele, Cornwall
Cotehele Mill, Cornwall
The Courts Garden , Wiltshire
Dunster Castle , Somerset
Dunster Working Watermill, Somerset
Dyrham Park , Gloucestershire
Farleigh Hungerford Castle, Somerset
Finch Foundry, Devon
Fyne Court , Somerset
Glastonbury Tor, Somerset
Glendurgan Garden , Cornwall
The Godolphin Estate, Cornwall
Godrevy, Cornwall
Great Chalfield Manor, Wiltshire
Greenway, Devon
The Greyfriars, Worcestershire
Hailes Abbey, Gloucestershire
Hardy Monument , Dorset
Hardy's Cottage, Dorset
Heddon Valley Shop, Devon
Hidcote Manor Garden , Gloucestershire
Holnicote Estate, Somerset
Horton Court, South Gloucestershire
Killerton, Devon
Killerton: Budlake Old Post Office Room, Devon
Killerton: Clyston Mill, Devon
Killerton: Marker's Cottage, Devon
King John's Hunting Lodge, Somerset
Kingston Lacy, Dorset
Knightshayes Court , Devon
Lacock Abbey, Fox Talbot Museum & Village, Wiltshire
Lanhydrock, Cornwall
Launceston Castle, Cornwall
Lawrence House, Cornwall
Levant Mine & Beam Engine, Cornwall
Little Clarendon, Wiltshire
Little Fleece Bookshop, Gloucestershire
The Lizard and Kynance Cove, Cornwall
Lodge Park & Sherborne Estate, Gloucestershire
Loughwood Meeting House, Devon
Lundy, Devon
Lydford Gorge, Devon
Lytes Cary Manor, Somerset
Max Gate, Dorset
Mompesson House, Wiltshire
Montacute House, Somerset
Newark Park , Gloucestershire
Okehampton Castle, Devon
The Old Mill, Devon
Old Sarum, Wiltshire
Old Wardour Castle, Wiltshire
Overbeck's Museum & Garden, Devon

North West

Acorn Bank Garden & Watermill, Cumbria
Alderley Edge, Cheshire
Beatrix Potter Gallery , Cumbria
Beeston Castle, Cheshire
Borrowdale , Cumbria
Brougham Castle, Cumbria
Coniston & Tarn Hows, Cumbria
Dalton Castle , Cumbria
Derwent Island House , Cumbria
Dunham Massey, Cheshire
Dunham Massey: White Cottage, Cheshire
Fell Foot Park , Cumbria
Formby, Liverpool
Gawthorpe Hall, Lancashire
Gondola , Cumbria
Grasmere and Great Langdale , Cumbria
Hare Hill, Cheshire
Hawkshead and Claife , Cumbria
Hill Top , Cumbria
Kendal Castle, Cumbria
Little Moreton Hall, Cheshire
Liverpool Cathedral, Liverpool
Lyme Park , Cheshire
Mendips, Liverpool
Nether Alderley Mill, Cheshire

Wales

East of England

Anglesey Abbey, Garden & Lode Mill, Cambridgeshire
Blakeney National Nature Reserve, Norfolk
Blickling Hall, Garden & Park, Norfolk
Bourne Mill, Essex
Brancaster, Norfolk
Castle Rising, Norfolk
Coggeshall Grange Barn, Essex
Dunstable Downs, Countryside Centre & Whipsnade Estate, Bedfordshire
Dunwich Heath: Coastal Centre & Beach, Suffolk
Elizabethan House Museum , Norfolk
Felbrigg Hall, Garden & Park, Norfolk
Flatford: Bridge Cottage, Suffolk
Framlingham Castle, Suffolk
Hadleigh Castle, Essex
Hatfield Forest , Essex
Hedingham Castle, Essex
Horsey Windpump, Norfolk
Houghton Mill, Cambridgeshire
Ickworth House, Park & Garden, Suffolk
Melford Hall, Suffolk
Norwich Castle, Norfolk
Orford Castle, Suffolk
Orford Ness National Nature Reserve, Suffolk
Oxburgh Hall, Garden & Estate, Norfolk

The Midlands

Attingham Park , Shropshire
Attingham Park Estate: Cronkhill, Shropshire
Baddesley Clinton, Warwickshire
Benthall Hall, Shropshire
Berrington Hall, Herefordshire
Biddulph Grange Garden , Staffordshire
Birmingham Back to Backs, Midlands
Brockhampton Estate, Worcestershire
Carding Mill Valley , Shropshire
Charlecote Park , Warwickshire
Coughton Court , Warwickshire
Croft Castle , Herefordshire
Croome Park , Worcestershire
Cwmmau Farmhouse, Herefordshire
Dudmaston, Shropshire
Farnborough Hall, Warwickshire
The Fleece Inn, Worcestershire
Hanbury Hall, Worcestershire
Hawford Dovecote, Worcestershire
Kenilworth Castle, Warwick
Kinver Edge, Staffordshire
Kinwarton Dovecote, Warwickshire
Letocetum Roman Baths Site & Museum, Staffordshire
Ludlow Castle, Shropshire
Morville Hall, Shropshire
Moseley Old Hall, Staffordshire
Althorp Princess Diana, Northampshire
Belton House, Lincolnshire
Bolsover Castle, Derby
Calke Abbey, Derbyshire
Canons Ashby House, Northamptonshire
Chatsworth House, Derbyshire
Clumber Park , Nottinghamshire
Grantham House, Lincolnshire
Gunby Hall, Lincolnshire
Gunby Hall Estate: Monksthorpe Chapel, Lincolnshire
Gunby Hall Estate: Whitegates Cottage, Lincolnshire
Hardwick Hall, Derbyshire
High Peak Estate, Derbyshire
Ilam Park , Derbyshire
Kedleston Hall, Derbyshire
Lincoln Castle, Lincolnshire
Lincoln Cathedral, Lincolnshire
Longshaw Estate, Derbyshire
Lyveden New Bield, Northamptonshire
Mr Straw's House, Nottinghamshire
Nottingham Castle, Nottingham
The Old Manor, Derbyshire

Scotland

Balmoral Castle, Aberdeenshire
Edinburgh Castle & Holyrood House