Non-material amendment to planning permission reference: 2020/02310/VAR dated 29th January 2021 for the "Variation of Conditions 2 (approved drawings) and 33 (bedroom numbers) of planning permission reference: 2017/01941/FUL dated 16th October 2017 as amended by 2020/02787/NMAT for the 'Demolition of the existing buildings and erection of a new three storey building (4 storey to the rear) for retail use (Class E) on the ground floor and five self-contained residential units on the first, second and third floors'. Amendments sought include:- changes to the layout and number of bedrooms within the flats; omission of the passenger lift; relocation of cycle and bin stores at ground floor level; relocation of main residential stairwell; new fire escape stairwell between ground and basement floors; changes to external materials to the front, rear and side elevations; change to size and finish of rear balcony doors; amendments to the design of the roof to incorporate a step accommodating the height difference between the front and rear parts of the building; removal of rear access to ground floor commercial space." Non-material Amendments sought include: internal layout changes, 3x louvre ventilation double doors at the rear of the ground floor level, and minor changes to the rear upper floor window details.

Application for a non-material amendment following a grant of planning permission ref: 15/00594/VOC (Variation of Condition 2 pursuant to planning permission Ref: 12/04161/FUL (Re-construction of the existing part single part three storey building to provide 8 residential units at first, second and third floor levels and two commercial units of retail/shops (Use Class A1) use at ground and basement levels involving part demolition of the existing building and reconstruction including the enlargement of the existing basement, the construction of a four storey extension to the side and three additional storeys above existing single storey on corner of Railton Road and Effra Parade incorporating a mansard roof together with alterations to windows and doors in the existing elevations and, the provision of cycle parking and refuse storage and as well as communal (garden) and private (balconies) amenity space.) Granted on 18.09.2013) granted on 14.09.2017. Amendment sought: Minor amendments to the approved scheme including the following: 1. Ensure that the consented floor plans and elevations are aligned. 2. Enhanced set back of the ground floor recessed glazing facades to facilitate the installation of floor level glazing, so that the lower ground floor can be naturally illuminated. 3. The installation of new glass balustrades to the perimeter openings, these to match those to the floors above, so that natural lighting to the lower floor is maximised, whilst a harmonious appearance for the building as a whole, together with perimeter security, is enhanced. 4. All other aspects of the facades and the look and feel of the main elevations are to be retained as built. 5. The use of the ground and lower ground floors will remain as currently approved.

Application for a non-material amendment following a grant of planning permission ref: 15/00594/VOC ( Variation of Condition 2 pursuant to planning permission Ref: 12/04161/FUL (Re-construction of the existing part single part three storey building to provide 8 residential units at first, second and third floor levels and two commercial units of retail/shops (Use Class A1) use at ground and basement levels involving part demolition of the existing building and reconstruction including the enlargement of the existing basement, the construction of a four storey extension to the side and three additional storeys above existing single storey on corner of Railton Road and Effra Parade incorporating a mansard roof together with alterations to windows and doors in the existing elevations and, the provision of cycle parking and refuse storage and as well as communal (garden) and private (balconies) amenity space.) Granted on 18.09.2013, granted on 11/09/2017) Amendment sought: Minor amendments to the approved ground floor elevations including: 1.Provide enhanced set-back depths around the ground floor openings to the main facades to provide inset terraces to the ground floor units, and to increase the pavement glazing at floor level to illuminate the lower ground floor better naturally. 2.Replacement of the consented perimeter planters within the ground floor openings with new glass balustrades to match those to the upper floors to better enhance the ground floor appearance and security. 3.All other aspects of the facades and the look and feel of the main elevations are to be retained as built.

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.

Application for a non-material amendment following a grant of planning permission 15/00594/VOC (Variation of Condition 2 pursuant to planning permission Ref: 12/04161/FUL (Re-construction of the existing part single part three storey building to provide 8 residential units at first, second and third floor levels and two commercial units of retail/shops (Use Class A1) use at ground and basement levels involving part demolition of the existing building and reconstruction including the enlargement of the existing basement, the construction of a four storey extension to the side and three additional storeys above existing single storey on corner of Railton Road and Effra Parade incorporating a mansard roof together with alterations to windows and doors in the existing elevations and, the provision of cycle parking and refuse storage and as well as communal (garden) and private (balconies) amenity space) granted on 14.09.2017.

Amendments to planning permission dated 23 March 2018 (RN: 17/08716/FULL) for Variation of condition 1 and removal of condition 33 and 34 of planning permission dated 20 April 2016 (RN: 15/06448) for the 'Demolition of all existing buildings and comprehensive redevelopment to provide a mixed use development accommodated in a single building arranged around a central courtyard of lower ground, ground, eight upper floors, rooftop plant and basements. Use of new building for hotel comprising up to 190 guest rooms, restaurants/bars, ballroom, function rooms, hotel leisure/spa facilities, ancillary and back of house spaces (Class C1), 24-28 residential dwellings including ancillary residential leisure and amenity facilities (Class C3) and retail (Class A1), car and cycle parking with access from Grosvenor Crescent and Halkin Street, refuse, delivery and circulation spaces within basements and other associated works. (Site includes Yorkshire House, Grosvenor Crescent, 3, 4, 5 and 8 Pembroke Close and 12 Halkin Street London SW1)'. NAMELY, to amend the approved drawing numbers to allow design changes to all building facades and internal alterations to the design of the building, installation of a Building Maintenance Unit at roof level and alterations to the roof parapet line, NAMELY, to make changes to the south-west building elevation facing Forbes House, specifically in relation to the approved windows and their layout on the southern part of the site and to add an additional condition (38) to the planning permisison: "You must carry out the development in accordance with the approved Design Amendment Statement Ref: 1GP-HAP-XX-XX-RP-AR-0096 insofar as it relates to the approved windows and their layout on the southern part of the elevation and maintain it in accordance with this Design Amendment Statement in perpetuity thereafter."