Variation of Condition 1 of planning permission dated 29 April 2019 (RN: 17/09802) for 'Demolition of mews building and lower ground and ground floor rear extensions. Erection of replacement mews building on lower, ground and first floors to provide a four bedroom dwellinghouse (Class C3), accessed from Wigmore Place. Erection of replacement lower ground and ground floor levels rear extension to the main building and use of lower ground, ground floor and first to fourth floors as 11 x flats (Class C3). Alterations to rear elevation including the installation of new windows (Land Use Swap with 60 Wimpole Street 17/09804/FULL); NAMELY new timber windows and alterations to plant.