4 Cavendish Square W1G Timeline News and progress updates from 4 Cavendish Square new development in W1G Post a new milestone Planning permission sought for: Alteration of existing window opening into a single door opening onto the rear courtyard. Ref. no.: 12/04164/FULL Received:... 06/05/2012 by Buildington Avanta Managed Offices is to open its 16th business centre in the capital following record occupancy levels during 2011 and an ongoing surge in demand for flexible... 05/03/2012 by Buildington