22-23 Princes Street Mayfair W1B Timeline News and progress updates from 22-23 Princes Street new development in Mayfair W1B Post a new milestone High quality offices launching in 2024 High-quality offices are launching soon at 22 Princes Street in Mayfair, London W1. Contact Joe Fuller and Tom Cuming at Bluebook for office enquiries.23 Princes Street... 09/02/2024 by Buildington Planning permission granted Planning permission has been granted for 22-23 Princes Street in Mayfair, London W1. 12/11/2018 by Buildington