3 Clifford Street Mayfair W1S Timeline News and progress updates from 3 Clifford Street new development in Mayfair W1S Post a new milestone Completion Collins has completed the full refurbishment of 3 Clifford Street, the six-storey mixed-use building in Mayfair originally built in the late 19th century. For the past... 24/03/2022 by Buildington 3 Clifford Street building in Mayfair, London W1 - new on Buildington! 05/03/2018 by Buildington