Amendments to planning permission dated 20 June 2016 (RN: 15/10444) for: Variation of Condition 1 of planning permission dated 8 December 2011 (RN10/01741/FULL) for development of 55-91 Knightsbridge (including retention of Knightsbridge and William Place facades) to provide retail (Class A1) at basement and ground floor levels, office ( Class B1) at part ground, first, and second floor levels and residential flats at part ground, part first,part 2nd and 3rd to 5th floor levels. Off street servicing and new sub basement car park. Removal and replacement of existing tree on William Street. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Restoration and repair of external facades and roofs to 3-7 William Street including reinstatement of original roof profile at 4 William Street, conversion of 1st to 3rd floor levels of 3 and 4 William Street for residential purposes ( Class C3). Namely, the substitution of new drawings to allow minor material amendments comprising a revised number and mix of residential units; the provision of a terrace for a residential unit on the western end of the building; erection of a lift shaft to the rear of 4 William Street; alterations to shopfront of Nos. 3 - 4 William Street; extension at 4th floor level to the rear of Knightsbridge; and reconfiguration of the fenestration. Namely, amendment to the external air vent at 4 William Street.

Restoration of Len House and associated new build works to provide a mixed-use development comprising: (i) Retention with alterations and change of use of Len House to provide 3,612 sqm (GIA) flexible commercial floorspace within the following uses - retail, financial and professional, café or restaurant, drinking establishment, offices, clinic or health centre, crèche or day nursery, gymnasium or indoor recreational purposes uses (within classes A1/A2/A3/A4/A5/B1a/D1/D2 of the Town & Country Planning uses Classes Order) at ground floor, 18 No. residential apartments (C3) at first floor level, together with ancillary car parking. (ii) Erection of part rear first floor and two storey roof extension to provide 62 No. new residential apartments, with rooftop amenity space. (iii) Construction of two new buildings of up to 5-storeys to provide 79 No. residential apartments (C3) with amenity space. (iv) Provision of associated car parking, open space, earthworks including demolition of hardstanding and structures, and new boardwalk to north side, de-culverting the River Len and re-utilisation existing vehicular access points from Mill Street and Palace Avenue.