The National Trust and English Heritage are the best known building conservation trusts in the United Kingdom for the protection of listed buildings and buildings of architectural importance. The Churches Conservation Trust, which was initially known as the Redundant Churches Fund, is a UK charity whose purpose is to protect historic churches at risk, those that have been made redundant by the Church of England. The Landmark Trust is a British building conservation charity, founded in 1965 by Sir John and Lady Smith, that rescues buildings of historic interest or architectural merit and then makes them available for holiday rental. There are many buildings within the United Kingdom that are not under the care of any of the aforementioned trusts but are recognised for their importance by local conservation and preservation groups. These groups are listed below: