Bridge House Estates
Bridge House Estates is a charitable trust, originating in the late eleventh century and formally established by royal charter in 1282 by the City of London Corporation in London, England. It was originally established to maintain London Bridge. 

The trust also built Blackfriars Bridge and Tower Bridge, and purchased Southwark Bridge. Most recently it took over ownership and maintenance of the pedestrian-only Millennium Bridge, having provided a large amount of the funding for its construction. The estate owns significant amounts of property in the City of London, including the Old Bailey.


Source for above notes: https://en.wikipedia.org/wiki/Bridge_House_Estates


City Bridge Trust is the funding arm of Bridge House Estates.


Source: https://www.citybridgetrust.org.uk/about-us/

Bridge House Estates is administered by the City of London Corporation (City Corporation), which is the charity’s corporate Trustee


Source: Bridge House Estates Strategy - Bridging London 2020-2045.