25 Brook Street Mayfair W1K Timeline News and progress updates from 25 Brook Street new development in Mayfair W1K Post a new milestone Planning permission granted for: Demolition of existing roof structures to 25 Brook Street and rear part of 23 Brook Street; new mansard roof extensions to 25 Brook... 21/10/2013 by Buildington New in Buildington - composer George Handel lived for here for 36 years until he died in 1759. 12/06/2011 by Buildington