National Trust
BEDFORDSHIRE
Dunstable Downs, Whipsnade Tree Catherdral
CAMBRIDGESHIRE
Anglesey Abbey, Houghton Mill, Peckover House, Wimpole Hall
BUCKINGHAMSHIRE
Ascott House, Claydon House, Hughenden Manor, Stowe Landscape Gardens,Waddesdon Manor, Dorneywood Garden
English Heritage
Wrest Park Gardens, Beds, Audley End House, Essex, Kirby Hall, Northamptonshire