22 Great Marlborough Street W1F Timeline News and progress updates from 22 Great Marlborough Street new development in W1F Post a new milestone New planning application submitted for - Use of building for residential purposes (Class C3) to provide 1x1 bedroom, 1x2 bedrooms and 1x4 bedrooms residential flats... 28/03/2012 by Buildington Planning Application received 31.07.2011 Conversion of an existing five storey building (including basement) from office (Class B1) space, into 3x2 bedroom... 19/08/2011 by Buildington