Variation of Condition 1 of planning permission dated 04 September 2020 (RN: 20/03854/FULL) for, 'Demolition and replacement of existing fourth floor, demolition of existing plant room, and erection of a single storey roof extension at fifth floor and rear extension at second to fifth floor levels in connection with existing office (Class B1) use, provision of new main office entrance, flexible use of part ground and basement floor for either retail or office use (Class A1/B1), creation of roof terrace at fifth floor level, provision of cycle parking spaces and facilities, roof plant and associated external alterations, including replacement windows'; NAMELY, to amend the approved drawings to replace a single ground floor level window on the north elevation with a door and to erect of a bridge over the existing lightwell to provide a secondary fire-protected egress point.

Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Non-material amendment to condition 2 (approved plans) of planning permission dated 18.08.2015 ref. 14/AP/2922 for: "Variation of Condition 2 (approved plans) of planning permission 12/AP/3558 dated 04/06/2013 for the 'Demolition of existing buildings and erection of a replacement building of five to eight storeys in height (max height of 27.5m), plus basement, comprising 53 residential units, 633 sqms of retail floorspace (Use Class A1) and 767 sqms of office floorspace (Use Class B1), disabled parking spaces and roof top landscaped amenity areas'. Proposed changes incorporate: - Alterations to internal floor plan layouts and core layouts. - Realignment of window and door positions to correct inaccuracies with plans. - Removal of brick pillars to balconies and provision of opaque glass balconies. - Increase in height of building by 150mm to accommodate lift overrun. - Increase in A1 floorspace from 643.2sqm to 721.9sqm. - Reduction in B1 floorspace from 670.3 to 645.64sqm. - Alteration to building line/arrangement at Ufford Street/Boundary Row junction." The non-material amendment comprises the extension of the existing plant enclosure located on the seventh floor of Block B to accommodate an additional condenser unit to support the operation of the commercial uses.

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.

Variation of Conditions 31 and 32 of planning permission dated 30 March 2022 (21/07642/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, to amend the wording of Conditions 31 and 32 to require the landscaping of the first floor terrace to be carried out in accordance with the submitted 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 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.

Variation of condition 1 of listed building consent dated 5 March 2020 (RN 19/00530/LBC) for the Redevelopment of Pegasus House and Nuffield House including demolition behind a retained facade (west, south and east) of Nuffield House and replacement building comprising 2 level basement, ground, mezzanine and first to seventh floor and demolition and replacement of Pegasus House comprising 2 level basement, ground, mezzanine and first to fifth floors; amalgamation of the two buildings to provide new office (Class B1), retail (Class A1), restaurant (Class A3), flexible office / retail (Class B1 / A1), and residential accommodation (Class C3); and other associated works from RN 19/00530/LBC, NAMELY, to include the following changes: amend the design of the shopfronts and ground floor level entrances, rearrangement of reception spaces, alteration to lift overrun and Nuffield house roof massing and window replacement.

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 1 of planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.

Application for a non-material amendment following a grant of planning permission ref: 19/03970/VOC (Variation of condition 2 (Approved plans) of planning permission ref : 18/03676/FUL (Replacement of existing roof over rear artist studio spaces involving raising the height to accommodate new first-floor mezzanine level to provide additional artist studio space with internal lift and stair access, ancillary shop and cafe. External alterations including alterations to existing window openings, replacement entrance doors to Chapel building, demolition of WC block and single-storey extensions to rear and the front boundary walls at Nelsons Row. New entrance gates together with hard and soft landscaping) granted on 07/12/2018).