The design and housing think tank, Create Streets, has recently published a document that seeks to encourage additional storeys to existing houses in cities, with a call for more mansard roofs. This was widely reported in The Times. the Report includes a small number of examples to illustrate their objectives, one of which is a past project of our's: an additional mansard storey in Belgravia for our clients, Grosvenor Estate.
See the old blog site for more work from
2012 and 2011