Demolition of buildings including Sarah Witham Thompson, Gressingham and Melling Halls, Black Box Theatre, Old Dining Room and the Long Corridor and erection of a 4 storey Extra Care residential building (use class C3), partial demolition, conversion and change of use of the Art Studio from education facility (use class D1) to ancillary space associated with the Extra Care residential building and change of use and conversion of Barbon Hall and Hornby Hall from education facility (use class D1) to provide affordable residential apartments (use class C3) with associated landscaping, parking, access and service infrastructure (pursuant to the variation of conditions 2 and 26 on planning permission 20/00554/FUL to enlarge the building footprint, amend the site layout, fenestration and car parking (including reduction by one space) and addition of lift overruns and a safety railing to the roof on the extra care building and to update the Energy Statement)

Variation of condition 2 (approved plans) of planning permission 19/0199/FUL (Extension and conversion of the existing building to create 6no. flats comprising 1 x 3-bedroom units, 1 x 2-bedroom units and 4 x 1-bedroom units along with car and cycle parking and provision of a communal garden following the demolition of the existing studio building.) to amend the as built distance between the site boundary and the building, install two new high level windows at ground floor level on the Eastern side elevation, amend the width of two approved roof lights in the Eastern roof slope, remove two chimneys, remove timber panels with a render finish infill, installation of 4no. flat roof lanterns to the flat roof area of the extension, install pair of French doors instead of windows on the ground floor extension of Flat 1, install one automatic opening vent (AOV) roof light and the removal of 2.no small oval windows

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.

Variation of Condition 12 (Parking Permit Restriction) of planning permission reference: 2018/02437/FUL dated 07/11/2018 for the "Installation of a new door and window to replace the existing window to main rear roof extension; alterations to part of the roof of back addition to incorporate a flat roof and the erection of a 1.7m privacy screen at second floor level in connection with its use as a terrace; installation of a new rooflight in the front roofslope and above the main flat roof at roof level; installation of a new window to replace the existing door and window at first floor level to the rear elevation; partial demolition and alterations to the roof of the single storey back addition and installation of new bi-folding doors to the rear elevation; formation of a bin store at the rear of the property; conversion of the existing dwellinghouse into 2 x 2 bedroom self-contained flats." Amendment sought is the alteration to the parking permit restriction from Flat B to Flat A (Flat 2 to Flat 1 as per official postal addresses now allocated for the properties).