Established in 1845 under the London Building Act 1844 (7 & 8 Vict., c.84) to regulate building construction and use in metropolitan London. Functions passed to the Metropolitan Board of Works under the Metropolis Management Act 1855. The Wikipedia page is [1] A number of the records were permanently transferred to the London County Council in July 1923 and are now held at the London Metropolitan Archives; others may be found at The National Archives Details of the archives can be found here [2]