| Historic Scotland: Photographs and visitor information on more than 300 historic buildings and sites open to the public, including castles, cathedrals and monasteries, from the official guardian of the built heritage of Scotland. Also details of all listed buildings in Scotland can be searched online. |
| Architectural Heritage Society of Scotland: For the study and protection of Scottish Architecture. The society's activities. |
| Association of Small Historic Towns and Villages of the United Kingdom: ASHTAV cares and contributes to the preservation and enhancement of the historic environment. Profile, campaigns, planning matters and information about membership. |
| British Brick Society: Promotes the study and recording of the archaeology and history of bricks, brickmaking and brickwork. Activities, membership application form. |
| Cadw: Welsh Historic Monuments: The official guardian of the built heritage of Wales. Sensitive maps and lists lead to photographs and brief descriptions of the 129 monuments in State care in Wales. Also news, events, contacts, publications. |
| Chapels Society: Seeks to promote public interest and knowledge of the architectural and historical importance of UK Nonconformist places of worship. Aims, activities, publications, membership. |
| English Heritage: The Government's statutory adviser on England's built heritage. Details for visitors of over 400 of the country's most important buildings and monuments, which are in its care. |
| Environment and Heritage Service Northern Ireland: The government agency protecting and conserving the natural and built environment explains its responsibilities and activities. |
| Historic Farm Buildings Group: For those concerned with the past, present and future of historic farm buildings. Aims, downloadable newsletter, news and events, journal (contents in pdf format.) |
| Historic Houses Association: Association for the owners of private houses open to public in the UK. Aims, activities, how to join. |
| Historic Royal Palaces: Responsible for the conservation of HM Tower of London, Hampton Court Palace, Kensington Palace, the Banqueting House, Whitehall and Kew Palace with Queen Charlotte's Cottage. |
| National Trust: Brief histories and visitor information on over 300 historic buildings and gardens owned by the National Trust in England, Wales and Northern Ireland. Some photographs. |
| National Trust for Scotland: Scotland's leading conservation charity. Details of over 100 properties in its care from castles to cottages, with visitor information. |
| RCAHMS: The Royal Commission on the Ancient and Historical Monuments of Scotland; online searchable database (CANMORE) has details of thousands of archaeological sites, monuments and historic buildings. |
| RCAHMW: Royal Commission on the Ancient and Historical Monuments of Wales records and interprets built and landscape heritage. Collections of the National Monuments Record of Wales. English and Welsh language options. |
| Society of Architectural Historians of Great Britain: Information on the society's membership, events, awards and publications. Lists of contents for all volumes of its annual journal 'Architectural History'. |
| The Church Monuments Society: Details of activities and publications. |
| The Civic Trust: The Civic Trust is Britain's leading charity devoted to enhancing the quality of life in Britain's cities, towns and villages. It co-ordinates Heritage Open Days. |
| The Ecclesiological Society: For those interested in church architecture, furnishings, or liturgy. Describes the history, activities and publications of the society. |
| Tiles and Architectural Ceramics Society: National society responsible for the study and protection of tiles and architectural ceramics. Publications, gazetteer, beginner's guide to tiles, ceramic location database. |
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