Saltram, Devon
Erddig, Wrexham
Minimax Ltd.
Nunnington Hall, North Yorkshire
Merryweather
Chirk Castle, Wrexham
Treasurer's House, North Yorkshire
Wallington, Northumberland
Dunham Massey, Cheshire
Castle Coole, County Fermanagh
Stourhead, Wiltshire
The Workhouse, Southwell, Nottinghamshire
Canons Ashby, Northamptonshire
Hardwick Hall, Derbyshire
Mount Stewart, County Down
Tyntesfield, North Somerset
Baddesley Clinton, Warwickshire
Charlecote Park, Warwickshire
Wimpole, Cambridgeshire
Quarry Bank, Cheshire
S. M. Stevens
Bateman's, East Sussex
Minimax
Souter and the Leas, Tyne and Wear
Dolaucothi Estate, Carmarthenshire
Newtown, Isle of Wight
F. Francis and Sons Ltd
Uppark House and Garden, West Sussex
Minimax Ltd
Kingston Lacy Estate, Dorset
Antifire Ltd
Belton House, Lincolnshire
Cragside, Northumberland