Singleton Birch

Main Singleton Birch website, which contains production, supply and technical information on industrial high calcium lime

Building Limes Forum

The Building Limes Forum exists to encourage expertise and understanding in the appropriate use of building limes and education in the standards of production, preparation, application and after-care. It is a charitable organisation with no commercial ties and has about 400 members in the UK and overseas, the majority being actively concerned with the repair of historic buildings.

Society for the Protection of Ancient Buildings

The Society for the Protection of Ancient Buildings was founded by William Morris in 1877 to counteract the highly destructive 'restoration' of medieval buildings being practised by many Victorian architects. Today it is the largest, oldest and most technically expert national pressure group fighting to save old buildings from decay, demolition and damage.

English Heritage

English Heritage exists to protect and promote England's spectacular historic environment and ensure that its past is researched and understood.

Donhead Publishing

Donhead is the leading independent publisher of building conservation, preservation and architecture books, specializing in publishing original material for professionals and academics.