Royal Doulton Limited (1902 to date)
Standen House and Garden, West Sussex (Accredited Museum)
Lindisfarne Castle, Northumberland (Accredited Museum)
Wimpole, Cambridgeshire (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Beningbrough Hall, North Yorkshire (Accredited Museum)
Castle Drogo, Devon (Accredited Museum)
The Argory, County Armagh (Accredited Museum)
Florence Court, County Fermanagh (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Coleton Fishacre, Devon (Accredited Museum)
A La Ronde, Devon (Accredited Museum)
59 Rodney Street, Merseyside (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Mr Straw's House, Nottinghamshire (Accredited Museum)
Buscot and Coleshill Estates, Oxfordshire
Quarry Bank, Cheshire (Accredited Museum)
Arlington Court, Devon (Accredited Museum)
Tyntesfield, North Somerset
Cragside, Northumberland (Accredited Museum)
Borrowdale, Cumbria
Erddig, Wrexham (Accredited Museum)
Plas Yn Rhiw, Gwynedd (Accredited Museum)
