Amendments to planning permission dated 24th June 2021 (RN:20/07236/FULL) for Use of the existing buildings to create two dwelling houses with extensions including demolition and rebuilding of the mews building and excavation to extend the existing basement, installation of air conditioning units on the roof of 1 Upper Belgrave Street and vaults of 1 and 2 Upper Belgrave Street, and associated alterations. (Site includes 1 Groom Place). NAMELY, to demolish the existing lower ground floor slabs in both existing houses and replace with new slabs.

Amendments to planning permission dated 7th December 2021 (RN:21/01871/FULL) for Erection of a single storey rear extension and a glass enclosure spanning the alleyway on boundary with Elgin Mews North. Namely, the glass roof is to be amended to have a minor slope towards the east rather than the west, reducing height of the boundary wall and relocation RWP.

Amendments to planning permission dated 11th October 2023 (RN:23/02276/FULL) for Alterations including erection of roof extension to create an additional storey of accommodation. Namely, to adjust the dimensions of the two side windows on the south building elevation from 2700mm x 600mm (first floor) and 2100mm x 600mm (second floor/roof level) to 2700mm x 615mm (first floor) and 2100mm x 638mm (second floor/roof level)

Amendments to planning permission dated 5th September 2022(RN:21/04272/FULL) for Variation of condition 1 of planning permission dated 4th December 2020 (RN 20/02024/FULL) for the Seven-storey rear courtyard extension of the existing office building at the basement, ground, first, second, third, fourth and fifth floor levels; a two storey extension on Harewood Avenue at 7th and 8th floor level and an extension to the Harewood Row/Lisson Grove elevations at third, fourth and fifth floor level for additional office space (Class B1), comprising the relocation of the existing mechanical plant and services; change of use of the existing office space (Class B1) to flexible retail space (Class A1/B1) at part basement, part ground floor at the corner of Harewood Avenue and Harewood Row; upgrade works to the existing entrances along Harewood Avenue and Harewood Row; refurbishment of the existing vehicle entrance on Lisson Grove including an enclosed loading bay; reconfiguration of car parking and cycle parking at the basement level; and the introduction of planting and landscaping to the existing entrance on Marylebone Road. Namely, to allow for minor changes to the canopy, lighting, materials, AOVS, MEP and Loading Bay Doors

Amendments to planning permission dated 05 October 2023 (RN: 23/04630/FULL) for variation of Conditions 1 and 3 of planning permission dated 15 May 2023 (RN: 23/01735/FULL) for, 'alterations including partial infilling of rear courtyard on basement and ground floors, rear extensions on first to fifth floors and at sixth floor roof extension with plant enclosure, roof terrace and green roof above all to provide additional office accommodation (Class B1); new balconies/terraces at front fourth, fifth and seventh floor levels and rear first, sixth and seventh floor levels. Flexible use of part basement and part ground floor for either retail / office/ gym use (Class A1/ B1/ D2), provision of cycle parking and associated external alterations'; namely, to install privacy screens on the first-floor terrace, and to amend the wording of Condition 3 to enable the installation of the privacy screens. (Application under Section 73 of the Act). NAMELY; provision of condenser and handrail at fourth floor terrace.

Amendments to planning permission dated 23 December 2022 (RN: 22/05428/FULL) for 'Two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment', NAMELY to enable the removal of specified louvres, relocation of the generator, façade updates at ground floor level, installation of safety balustrading, relocation of the consented UKPN access, creation of a separate ground floor access for the crown amenity space and installation of additional sliding doors at Level 30.

Amendments to planning permission dated 22nd July 2022 (RN: 20/06991/FULL) for, 'Part demolition of, and extensions to, the existing buildings, including a 2 storey roof extension; the refurbishment of the existing and creation of new office (Class B), hotel (Class C1), retail (Class A1 - A5) and Leisure and non-residential institutions (Class D1 - D2) floorspace with ancillary functions; basement refurbishment works; the erection of a 5 storey pavilion on the corner of Piccadilly and Dover Street; Installation of plant at roof level; hard and soft landscaping works as part of an improved public realm offering at Dover Yard and pedestrian route between Dover Street and Berkeley Street, including the creation of additional retail outlets; and other ancillary works. (Site includes 1 - 7 Berkeley Street)'; Namely, to update the approved roof plan to accommodate proposed tenant roof plant.

Amendments to planning permission dated 6 September 2023 (23/04870/FULL) ) for conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place]; namely, amendment to the ground floor front window to provide a triple paned window.

Amendments to planning permission dated 23rd November 2022 (RN:22/06087/FULL) for Variation of conditions 1 (and in turn conditions 3, 7, 9, 13, 16, 17, 20) of planning permission dated 21st December 2020 (RN:20/04245/FULL) for the Refurbishment and extension of the Old Vicarage building to convert existing boarding accommodation to provide 5 residential (C3) units; erection of new two storey residential block (plus basement) to the north comprising 4 houses with associated car and cycle parking and landscaping; demolition of sub station and replacement with part single, part two storey school building (Use Class D1) comprising classrooms, ancillary office (Site relates to Bales College). Namely, to amend wording in Condition 11.

Amendments to planning permission dated 2nd August 2023 (RN:23/03161/FULL) for Excavation of the lower ground floor, rear garden, front vaults and front lightwell level. Erection of a side in-fill extension at lower ground floor level and partial in-fill at ground floor level with terrace. Demolition of rear closet wing and erection of replacement at lower ground, ground, and first-floor level. Replacement double glazed windows and doors to match existing. Namely, solid floor to the rear terrace at ground floor level in place of glass, the relocation of the balustrade to the rear terrace to allow for the inclusion of planting, round central roof light within the flat roof above the ground floor living room extension this replaces the approved wall-abutted roof light, a change in the shape of the roof light over first floor dressing room and reduction in size of bin store to front driveway to store 2 bins