- Association of Diocesan & Cathedral Archaeologists
- British Institute of Organ Studies
- Cathedral Architects Association
- Chapels Society
- Churches Conservation Trust
- Friends of Friendless Churches
- Historic Chapels Trust
- Church of England Archbishops Council (Cathedrals & Buildings Division)
- The Georgian Group
- Jewish Heritage UK
- Maintain our Heritage
- Methodist Church Resourcing Mission Office
- NADFAS
- The Pilgrim Trust
- SPAB: Society for the Protection of Ancient Buildings
- Twentieth Century Society
- The Victorian Society
- War Memorials Trust
- World Monuments Fund in Britain
