Paycocke's House and Cottage, Essex (Accredited Museum)
Castle Drogo, Devon (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Tredegar, Newport (Accredited Museum)
Tyntesfield, North Somerset
Wallington, Northumberland (Accredited Museum)
Plas Newydd, Anglesey (Accredited Museum)
Mottisfont, Hampshire (Accredited Museum)
Westwood Manor, Wiltshire (Accredited Museum)
Felbrigg, Norfolk (Accredited Museum)
Peckover House, Cambridgeshire (Accredited Museum)
Hardwick Hall, Derbyshire (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Lacock, Wiltshire
Blickling Hall, Norfolk (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)
Ham House, Surrey (Accredited Museum)
Burroughes and Watts Ltd
Dyffryn House and Gardens, Vale of Glamorgan
Stoneywell Cottage, Leicestershire
Brilley, Herefordshire
