Erddig, Wrexham (Accredited Museum)
Knightshayes Court, Devon (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Cliveden Estate, Buckinghamshire
East Riddlesden Hall, West Yorkshire (Accredited Museum)
Shaw's Corner, Hertfordshire (Accredited Museum)
Phyllis Jerrold
Brilley, Herefordshire
Greys Court, Oxfordshire (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Shugborough Estate, Staffordshire
The Argory, County Armagh (Accredited Museum)
Coleton Fishacre, Devon (Accredited Museum)
Tyntesfield, North Somerset
Dunham Massey, Cheshire (Accredited Museum)
59 Rodney Street, Merseyside (Accredited Museum)
Coughton Court, Warwickshire
Greyfriars, Worcestershire (Accredited Museum)
Croome Park, Worcestershire
Castle Ward, County Down (Accredited Museum)
Overbeck's House, Devon (Accredited Museum)
Dudmaston, Shropshire (Accredited Museum)
Unknown
Osterley Park and House, London (Accredited Museum)