The historic houses listed below are all open to the public; however, we don’t know when they opened to the public.
Can you help us? If so, do please get in touch with the project director, Professor Fiona Candlin on f.candlin@bbk.ac.uk.
| Name of museum | Town or City | Postcode | Year open? | Status |
| ACTON COURT | Bristol | BS37 9TL | open | |
| ARBURY HALL | Nuneaton | CV10 7PT | open | |
| ARDINGTON HOUSE | Wantage | OX12 8PY | open | |
| ARDRESS HOUSE | Portadown | BT62 1SQ | open | |
| ASHRIDGE HOUSE | Berkhamstead | HP4 1NS | open | |
| AVINGTON PARK | Winchester | SO21 1DB | open | |
| BADMINTON | Badminton | GL9 1DD | open | |
| BALLINDALLOCH CASTLE | Banffshire | AB37 9AX | open | |
| BEELEIGH ABBEY | Maldon | CM9 6LL | 1969 | |
| BELMONT HOUSE AND GARDENS | Faversham | ME13 0HH | open | |
| BODRHYDDAN HALL | Rhuddlan | LL18 5SB | open | |
| BRADWELL LODGE | Bradwell-on-Sea | CM0 7PL | 1971 | |
| BRODIE CASTLE | Forres | IV36 2TE | open | |
| CADHAY | Ottery St Mary | EX11 1QT | open | |
| CASTERNE HALL | Nr. Ashbourne | DE6 2BA | open | |
| CASTLE LEOD | Strathpepper | IV14 9AA | open | |
| CHAMBERCOMBE MANOR | Ilfracombe | EX34 9RJ | open | |
| CHARNEY MANOR | Wantage | OX12 0EJ | 1968 | |
| CHILLINGTON HALL | Wolverhampton | WV8 1RE | open | |
| COREHOUSE | Lanark | ML11 9TQ | open | |
| CORNWALL HOUSE | Monmouth | NP25 3EN | open | |
| CRESSELLY | Kilgetty | SA68 0SP | open | |
| DALMENY HOUSE | South Queensferry | EH30 9TQ | open | |
| DOLMYNACH HOUSE | Rhayader | LD6 5AG | open | |
| DUART CASTLE | Isle of Mull | PA64 6AP | open | |
| DUNNINALD CASTLE & GARDENS | Montrose | DD10 9TD | open | |
| DUNSLAND | Nr. Holsworthy | EX22 7YE | 1967 | |
| DUNVEGAN CASTLE & CASTLE | Isle of Skye | IV55 8WF | open | |
| EDMONSHAM HOUSE & GARDENS | Wimborne | BH21 5RE | open | |
| ELTON HALL | Nr. Peterborough | PE8 6SH | open | |
| EUSTON HALL | Thetford | IP24 2QP | open | |
| FLOORS CASTLE | Kelso | TD5 7SF | open | |
| FORDE ABBEY & GARDENS | Chard | TA20 4LU | open | |
| FURSDON | Cadbury | EX5 5JS | open | |
| GAWTHORPE HALL | Burnley | BB12 8UA | open | |
| GLAMIS CASTLE | by Forfar | DD8 1RJ | open | |
| GLENARM CASTLE | BT44 0BQ | open | ||
| GLENHAM HALL & GARDENS | Little Glenham | IP13 0BT | open | |
| GOODWOOD HOUSE | Chichester | PO18 0PX | open | |
| GOSFIELD HALL | Gosfield | CO9 1SF | 2003 | |
| GOSFORD HOUSE | Longniddry | EH32 0PX | open | |
| GREYFRIARS HOUSE AND GARDEN | Worcester | WR1 2LZ | open | |
| HANBURY HALL AND GARDENS | Hanbury | WR9 7EA | open | |
| HARDWICKE COURT | Gloucester | GL2 4RS | open | |
| HARTLAND ABBEY | Nr. Bideford | EX39 6DT | open | |
| HARTSHEATH | Mold | CH7 4HP | open | |
| HAYES BARTON | Budleigh Salterton | EX9 7BS | 1966 | |
| HEDINGHAM CASTLE | Hedingham | CO9 3DJ | open | |
| HESTERCOMBE HOUSE & GARDENS | Hestercombe | TA2 8LG | open | |
| HEZLETT HOUSE | Coleraine | BT51 4TW | open | |
| HIGHCLIFFE CASTLE | Christchurch | BH23 4LE | open | |
| HINCHINGBROOKE HOUSE | Huntingdon | PE29 3BN | open | |
| HOPETOUN HOUSE | South Queensferry | EH30 9SL | open | |
| HOUGHTON HALL & GARDENS | King’s Lynn | PE31 6UE | open | |
| HOUSE OF THE BINNS | Linlithgow | EH49 7NA | open | |
| HUTTON-IN-THE-FOREST | Penrith | CA11 9TH | open | |
| INVERARAY CASTLE & GARDENS | Argyll | PA32 8XE | open | |
| ISEL HALL | Cockermouth | CA13 0QG | open | |
| KELBURN CASTLE | By Lars | KA29 0BE | open | |
| KENTWELL HALL & GARDENS | Sudbury | CO10 9BA | open | |
| KINGSTON BAGPUIZE HOUSE | Abingdon | OX13 5AX | open | |
| LEIGHTON HALL | Carnforth | LA5 9ST | open | |
| LEITH HALL | Huntly | AB54 4NQ | open | |
| LENNOXLOVE | Haddington | EH41 4NZ | open | |
| LISSAN HOUSE | Cookstown | BT80 9SW | open | |
| LITTLE MALVERN COURT | Nr. Malvern | WR14 4JN | open | |
| LLANCHAERON | Aberaeron | SA48 8DG | open | |
| LODGE PARK | Near Cheltenham | GL54 3PP | open | |
| LOWER HUXLEY HALL | Chester | CH3 7RQ | 1964 | |
| LULWORTH CASTLE & PARK | Wareham | BH20 5QS | open | |
| MANDERSTON | Duns | TD1 3PP | open | |
| MAPPERTON | Beaminster | DT8 3NR | open | |
| MARKENFIELD HALL | Ripon | HG4 3AD | open | |
| MELLERSTAIN HOUSE | Gordon | TD3 6LG | open | |
| MEOLS HALL | Southport | PR9 7LZ | open | |
| MOGGERHANGER PARK | Moggerhanger | MK44 3RW | open | |
| MONZIE CASTLE | Crieff | PH7 4HD | open | |
| MUNCASTER CASTLE & GARDENS | Ravenglass | CA18 1RQ | open | |
| NEWHOUSE | Salisbury | SP5 2NX | open | |
| NEWLISTON | Kirkliston | EH29 9EB | open | |
| NORTON CONYERS | Ripon | HG4 5EQ | open | |
| NUNWELL HOUSE | Brading | PO36 0JQ | open | |
| OLDWAY MANSION | Paignton | TQ3 2TY | 1975 | |
| OWLETTS | Gravesend | DA12 3AP | open | |
| PENCARROW | Bodmin | PL30 3AG | open | |
| PENFOUND MANOR | Bude | EX23 0DZ | 1970 | |
| PEOVER HALL & GARDENS | Knutsford | WA16 9HW | open | |
| PLAS GLYN Y WEDDW | Abersoch | LL53 7TT | open | |
| PORT ELIOT | St. Germans | PL12 5ND | open | |
| POWDERHAM CASTLE | Nr. Exeter | EX6 8JQ | open | |
| PRIDEAUX PLACE | Padstow | PL28 8RP | open | |
| RAMMERSCALES | Lockerbie | DG11 1LD | open | |
| RESTORATION HOUSE | Rochester | ME1 1RF | open | |
| RIPLEY CASTLE | Harrogate | HG3 3AY | open | |
| RODMARTON MANOR | Cirencester | GL7 6PF | open | |
| ROKEBY PARK | Barnard Castle | DL12 9RZ | open | |
| SAMLESBURY HALL | Samlesbury | PR5 0UP | open | |
| SAND | Sidmouth | EX10 0QN | open | |
| SAUSMAREZ MANOR | St. Martin | GY4 6SG | open | |
| SCAMPSTON HALL & WALLED GARDENS | Malton | YO17 8NG | open | |
| SCAWBY HALL | Brigg | DN20 9LX | open | |
| SEZINCOTE HOUSE | Moreton-in-Marsh | GL56 9AW | open | |
| SHAW HOUSE | Newbury | RG7 5EN | open | |
| SHERBORNE CASTLE & GARDENS | Sherborne | DT9 5NR | open | |
| SHIPTON HALL | Much Wenlock | TF13 6JZ | 2016 | |
| SKAILL HOUSE | Sandwick | KW16 3LR | open | |
| SLEDMERE HOUSE | Driffield | YO25 3XG | open | |
| SMA’ SHOT COTTAGES HERITAGE CENTRE | Paisley | PA1 2HZ | open | |
| SOMERLEYTON HALL | Lowestoft | NR32 5QQ | open | |
| SORN CASTLE | KA5 6HR | open | ||
| ST MARY’S HOUSE & GARDENS | Bramber | BN44 3WE | open | |
| ST. GILES’S HOUSE | Wimborne St. Giles | BH21 5NA | 1971 | |
| STANSTED PARK | Rowland’s Castle | PO9 6DX | open | |
| STANWAY HOUSE & WATER GARDEN | Cheltenham | GL54 5PQ | open | |
| STOCK GAYLARD HOUSE | Nr. Sturminster Newton | DT10 2BG | open | |
| STOWE HOUSE | Buckingham | MK18 5EH | open | |
| STRADEY CASTLE | Llanelli | SA15 4PL | open | |
| STRATFIELD SAYE HOUSE | Nr. Basingstoke | RG7 2BZ | open | |
| SUDELEY CASTLE | Winchcombe | GL54 5JD | open | |
| SUFTON COURT | Mordiford | HR1 4LU | open | |
| SUTTON PARK | Sutton-on-the-Forest | YO61 1DP | open | |
| THE BLACKHOUSE | Isle of Lewis | HS2 9DB | open | |
| THE HEATH HOUSE | Stoke-on-Trent | ST10 4HA | open | |
| THOMAS CARLYLE’S BIRTHPLACE | by Lockerbie | DG11 3DG | open | |
| THRUMPTON HALL | Thrumpton | NG11 0AX | open | |
| TIGH IAIN DHONNCHAIDH/CLEADALE CROFTING MUSEUM | Isle of Eigg | PH42 4RL | open | |
| TISSINGTON HALL | Ashbourne | DE6 1RA | open | |
| TITSEY PLACE | Oxted | RH8 0SA | open | |
| TRAQUAIR HOUSE | Innerleithen | EH44 6PW | open | |
| TREOWEN | Nr. Monmouth | NP25 4DL | 1945-2017 | |
| TREWITHEN | Truro | TR2 4DD | open | |
| TUDOR MERCHANT’S HOUSE (NT) | Tenby | SA70 7BX | open | |
| TURVEY HOUSE | Turvey | MK43 8EL | open | |
| UGBROOKE PARK | Chudleigh | TQ13 0AD | open | |
| WESTONBIRT HOUSE & GARDENS | Tetbury | GL8 8QS | open | |
| WHITMORE HALL | Newcastle-under-Lyme | ST5 5HW | open | |
| WHITTINGTON COURT | Cheltenham | GL54 4HF | open | |
| WOLFETON HOUSE | Dorchester | DT10 2BG | open | |
| WOODCHESTER MANSION | Stonehouse | GL10 3TS | open | |
| WORTHAM MANOR | Lifton | PL16 0ED | 1967 |