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.2 (approved plans), seeking to allow changes to the roof in pursuant to planning permission reference 185959FUL dated 17/10/2019 for' Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'

Minor material amendment (S.73) to vary condition no.2 (approved plans), seeking to allow changes on the approved windows in pursuant to planning permission reference 185959FUL dated 17/10/2019 for' Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'

Submission of an Air Quality Assessment and Ventilation Scheme pursuant to Condition 13 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'

Submission of details on the Insultation of the Building Envelope pursuant to Condition 12 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'.

Submission of details on Enhanced Sound Insultation pursuant to Condition 10 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'.

Submission of details on Sound Insulation pursuant to Condition 11 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'.

Submission of a Waste Management Plan pursuant to Condition 7 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'

Submission of details on the Insulation of the Building Envelope pursuant to Condition 12 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'

Submission of Sound Insulation Report pursuant to Condition 11 of Planning Permission ref. 185959FUL dated 17.10.2019 for 'Mixed-use conversion of three-storey building from financial services with ancillary offices (Use Class A2) to 118.1m of flexible retail space (Use Classes A1/A2) on ground floor level, and nine self-contained residential dwellings (Use Class C3) on first, second and roof levels; facilitated by alteration of existing roof to form a double height mansard roof, first floor rear/side infill extension, and second floor rear extension; single-storey building in rear car park to provide 81.0sqm of office space (Use Class B1); and associated cycle storage, vehicle parking, and waste storage spaces (following demolition of existing single-storey rear extension)'