Details of materials for external surfaces pursuant to condition 3 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of existing noise sources and sound insulation of the building envelope pursuant to condition 6 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of enhanced sound insulation for the floor/ceiling/wall structures pursuant to condition 8 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of external sound level from plant, machinery or equipment pursuant to condition 7 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Change of use of the rear parts of lower ground and basement floor levels from retail (Class E) into a residential unit (Class C3) and conversion of the existing maisonette into 3no. self-contained flats, comprising of 2 x 1 bedroom, 1 x 2 bedroom and 1 x 3 bedroom self-contained flats; erection of a rear roof extension; erection of a rear extension at second floor level over part of the existing back addition; erection of a single storey rear extension at lower ground floor level to the side of the existing back addition; installation of 2no. rooflights in the front roofslope; re-sizing and replacement of 2no. windows to the rear elevation at upper ground floor level; removal of an existing window to the side elevation at upper ground floor level; alterations to the rear elevation at lower ground floor level to include, installation of new bi-folding doors following the demolition of external structure and the removal of existing window; erection of bike and bin stores in the rear garden.

Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Change of use of part of ground and basement floor level from retail (Class E) into residential (Class C3); erection of a rear roof extension; erection of a rear extension at second floor level over part of the existing back addition; erection of a single storey rear extension at lower ground floor level to the side of the existing back addition; installation of a new window to replace existing, to the rear elevation at upper ground floor level; installation of a new door to replace the existing window, to the rear elevation at lower ground floor level; erection of bike and bin stores following the demolition of the existing extension, to the rear of rear back addition at lower ground floor level; removal of existing window to the side of rear back addition at upper ground floor level; conversion of third, second, first, upper ground, part of lower ground and basement floor levels to provide 2 x two bedroom and 2 x one bedroom self-contained flats.

Non-material amendment to planning permission ref: 2021/04138/FUL granted 31st May 2022. Amendments to remove specific reference to the number of bedrooms of the approved residential units; alterations to the design of 1no rooflight above the roof of ground floor back addition; replacement of 1no window to the rear elevation and sliding doors to the rear side back addition of basement floor with new bi-folding doors. The new description would read 'Change of use of part of ground floor and basement from retail (Class E) into 1no. self-contained flat (Class C3); erection of rear extensions at third floor (pod) and first floor levels in connection with the conversion of first, second and third floor level into 2no. self-contained flats; installation of 3no rooflights in the front roofslope and 1no rooflight above the main flat roof at roof level; replacement of existing windows with new windows to the side and rear of first and second floor back additions; replacement of existing dormer window with a new dormer window in the rear roofslope; alterations and increasing the roof of second floor rear back addition; formation of a replacement roof terrace at first floor level to the rear elevation; demolition of part of ground floor and basement floor level including the installation of new window openings and formation of a central courtyard at ground floor level, installation of glazed doors and a window at basement level; alterations to the roof of ground floor rear back addition to include the installation of 3no rooflights; installation of screening fence at ground floor level to the rear elevation.'

Non Material amendment for planning application 20AP0433 dated 28/10/2020 for minor material amendment to planning permission 16/AP/4018 [Approval date: 15.11.2019] 'Redevelopment of the site to provide four buildings to deliver 168 residential dwellings (Class C3) and flexible retail floor space (247m2) of flexible A1/A3/A4; The works include the conversion and extension of Sumner House (Block A) from office use (Class B1-c to provide 44 no flats and 4 no townhouses and partial demolition of boundary wall; the erection of a part 4, part 6 storey block to provide 39 no flats on Sumner Avenue (Block B); part 4(Block B); a part four, part 6 storey building to provide 72 no flats on Jocelyn Street (Block C); and a four storey block providing 9 flats on Melon Road (Block D), with 247m2 of flexible A1/A3/A4 use at ground floor level together with car parking, hard and soft landscaping, and other associated works incidental to the development' consisting of: - One change to the design of Flaxyard Block B: - Switching the balcony/terrace balustrades from glass to solid panels; - Changes to the design of Flaxyard Block C, including: - Enlargement of building footprint on floors 04 to 05; - Small number of fenestration changes; - Reduction in size of the external cycle store, but with a separate supplementary store to now be provided; - Changes to the design of Flaxyard Block D, including: - Enlargement of building footprint on floors 01 to 03; - Reduction of floorspace of the commercial unit from 247m2 to 224.5m2; - External door changes; - Changes to landscaping and car parking arrangements. The amendment are for change of Energy Strategy from CHP to ASHPs with associated plant room and roof top plant Removal of 9 dwellings from M4(2b) classification in Condition 12

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.