Cliveden Estate, Buckinghamshire
Belton House, Lincolnshire
Gents' of Leicester
Beningbrough Hall, North Yorkshire
Berrington Hall, Herefordshire
Chirk Castle, Wrexham
Dunham Massey, Cheshire
Florence Court, County Fermanagh
Hardwick Hall, Derbyshire
Ightham Mote, Kent
Sunnycroft, Shropshire
Treasurer's House, North Yorkshire
Uppark House and Garden, West Sussex
Tyntesfield, North Somerset
Bateman's, East Sussex
Baddesley Clinton, Warwickshire
Nostell Priory, West Yorkshire
Ormesby Hall, Redcar and Cleveland
Powis Castle and Garden, Powys
Saltram, Devon
Shaw's Corner, Hertfordshire
Souter and the Leas, Tyne and Wear
Coughton Court, Warwickshire
Hatchlands Park, Surrey
Killerton, Devon
Charles Letts and Co.
Patterson and Sons
Castle Ward, County Down
Drake and Gorham Ltd
Stoneacre, Kent
Coleton Fishacre, Devon
Leo Sunderland and Co.
Mount Stewart, County Down
Walker Bros [Electrical Engineers]
Packwood House, Warwickshire
Penrhyn Castle, Gwynedd
R. Hadwin and Sons & Colin Croft
Sizergh Castle, Cumbria
Osterley Park and House, London
