Application for non-material amendment to planning permission reference P/2012/5040 dated 22.07.2013 (as amended) for 'Hybrid planning application comprising: Outline element, with all matters reserved, for the demolition of Windmill Lodge, five buildings containing flats and bowling green pavilion and the resiting of an electricity substation, inconjunction 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.m of floorspace in B1/D1 use and 67sq.m of floorspace in A1/A3/B1 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 alterations to vehicular access onto 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 to 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 units (2 one-bed and 2 three-bed) with external bin store, associated hard and soft landscaping, access, 3 car parking spaces and associated works. d) Provision of 4 car parking spaces (2 disabled) and landscaping associated with the listed chapel.'. Amendment seeks to vary the tenure to 4no. affordable (social rent) apartments, and amendments to planning drawings to reflect the associated layout changes.

Application for Non-Material Amendment (S96a) in relation to planning permission Ref: 222341FUL dated 09.02.2023 for 'Development to provide a total of 326 self-contained residential units comprising; phased construction of seven blocks of flats (ranging from two to six-storeys); two two-storey detached dwellinghouses (following demolition of existing gatehouse); and a terrace of two-storey dwellinghouses in the grounds of Twyford Abbey (all Use Class C3); conversion of Twyford Abbey (Grade II Listed) into flats (Use Class C3) and provision of residents lounge; demolition of workshop attached to the Grade II listed walled garden and replacement with a single storey dwellinghouse (Use Class C3); facilitated by repair; refurbishment; infill and rooftop extensions; demolition of post-war extensions and other pre-war structures within grounds, excluding the cottage; retention and repair of the Grade II listed walled garden and attached cottage to provide ancillary facilities management accommodation and residents facilities; comprehensive landscaping works including removal and works to trees and groups of trees protected by a Tree Preservation Order; provision of permissive publicly accessible open space and grow gardens; provision of gated cycle and pedestrian access onto North Circular (A406) and new access onto Twyford Abbey Road; provision of hardstanding parking areas; ecological enhancement works; and other associated constructions works including installation of boundary treatment'. Amendment seeking a revised wording of condition 2 to add demolition phase (phase 0) to phasing plan; and conditions 9, 18 and 27 to exclude 'installation of access road and substation works' from falling within 'prior to commencement'

Amendment to planning permission dated 20 June 2016 (RN:15/10444/FULL) for the variation of Condition 1 of planning permission dated 8 December 2011 (RN:10/01741/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, variation of Condition 17 with substitution of a revised Energy Strategy.

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).