9 Chesterfield Street London W1J 5JJ
Confirmation that the proposed works undertaken are sufficient to constitute implementation of the planning permission dated 9 December 2014 (ref: 14/09658/FULL) for; "Excavation of sub-basement beneath building, part demolition and erection of replacement roof structure and rooflight, installation of plant at main roof level, external alterations to the property including at rear lower ground and ground floor levels. Use of extended building as a dwellinghouse (Class C3)."