The Bath Preservation Trust is a charity that is based in Bath, Somerset, England, which exists to safeguard for the public benefit the historic character and amenities of the city, a UNESCO World Heritage Site, and its environs. The Trust is independent, funded by public membership, grants, donations and income from four museums that it operates in Bath: No. 1 Royal Crescent, the Museum of Bath Architecture, Beckford's Tower, and the Herschel Museum of Astronomy.