Non-material amendment to condition 2 (approved plans) of planning permission dated 18.08.2015 ref. 14/AP/2922 for: "Variation of Condition 2 (approved plans) of planning permission 12/AP/3558 dated 04/06/2013 for the 'Demolition of existing buildings and erection of a replacement building of five to eight storeys in height (max height of 27.5m), plus basement, comprising 53 residential units, 633 sqms of retail floorspace (Use Class A1) and 767 sqms of office floorspace (Use Class B1), disabled parking spaces and roof top landscaped amenity areas'. Proposed changes incorporate: - Alterations to internal floor plan layouts and core layouts. - Realignment of window and door positions to correct inaccuracies with plans. - Removal of brick pillars to balconies and provision of opaque glass balconies. - Increase in height of building by 150mm to accommodate lift overrun. - Increase in A1 floorspace from 643.2sqm to 721.9sqm. - Reduction in B1 floorspace from 670.3 to 645.64sqm. - Alteration to building line/arrangement at Ufford Street/Boundary Row junction." The non-material amendment comprises the extension of the existing plant enclosure located on the seventh floor of Block B to accommodate an additional condenser unit to support the operation of the commercial uses.

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.

Minor material amendment (S.73) to vary condition no.41 (use of the chapel)) pursuant to planning permission reference 164907VAR dated 31/05/2017 for 'Application for a Minor Material Amendment/S73 (Variation of condition 4 approved plans) amendments to the approved detailed landscape scheme of planning permission P/2012/5040 dated 23/07/2013 (amended by PP/2014/5010, PP/2014/4645, P/2014/6390, PP/2015/3928 and 161549VACS) for 'Hybrid planning application: Outline element, with all matters reserved, for the demolition of Windmill Lodge, five buildings containing flats and bowling green pavilion and the re siting of an electricity substation, in conjunction with the erection of three buildings of up to 9 storeys high containing 260 residential units comprising private and affordable units and up to 803sq. metres of floorspace in B1/D1 use and 67 sq. metres of floorspace in A1/A3/B2 use, associated hard and soft landscaping including the removal of trees, surface and basement car parking, cycle parking, servicing, public realm, access and other associated works including the provision of a pedestrian access to Uxbridge Road and alteration to vehicular access on to the hospital access road to the East. Detailed elements for a) the demolition of a single storey extension to the North side and a two storey extension in the south East corner and internal and external alterations in conjunction with the change of use of the listed gatehouse from offices to a retail unit (Use Class A1), cafe (Use Class A3), concierge accommodation (sui generis) and offices (Use Class B1) b) internal and external alterations in conjunction with the conversion of the listed North House in 6 one-bed flats, with external bin store and cycle store, associated hard and soft landscaping; access, 3 car parking spaces and associated works, c) Erection of a three storey building to provide 4 residential....' Variation to allow the Chapel to be used for a mix of Use Classes E and F.2 (b).