Amendments to planning permission dated 21 April 2020 (RN: 19/07998/FULL) for 'Demolition of existing building and erection of an eight-storey building over basement providing six residential flats (Class C3 Use) on the upper floors and a retail unit (Class A1 Use) at ground and basement levels including associated plant at basement, ground and sixth floor levels, roof terraces at sixth and seventh floor levels and PV panels at roof level'. NAMELY, to amend the description of development to read 'Demolition of the existing building and erection of a new building providing a retail unit (Class A1 Use) and six residential flats (Class C3 Use), including associated plant equipment, roof terraces at sixth and seventh floor levels and PV panels at roof level'.

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 9th June 2021 (RN:20/04168/FULL) for Redevelopment of existing buildings behind retained facades to provide a mixed use building comprising flexible A1 / A3 / D2 at new basement level, flexible A3 / B1 / D2 at lower ground floor level, A1 use at ground floor level and B1 use from first to fifth floor levels with associated plant, cycle parking and refuse storage, replacement of existing shopfronts, reinstatement of lightwells to Eastcastle Street, replacement of existing roof and various improvements to the Eastcastle Street elevation (Site includes 36 and 37 Eastcastle Street)(revised waste storage). Namely, to amend the wording of two conditions (condition 10 and 40) to allow for above ground works to take place prior to the submission of details relating to contamination and archaeology.

Amendments to planning permission dated 9th August 2022 (RN: 22/03130/FULL) for Replacement of windows, facade cleaning, replacement of reception entrance doors, installation of extract grilles on the western facade, installation of doors to refuse and cycle stores at ground floor of the western facade, creation of accessible terraces to the western side of the 4-6th floors, erection of lift enclosure and lobby at roof level and creation of accessible rooftop terrace, consolidation of rooftop plant and installation of photovoltaic panels. NAMELY; widening of reception entrance doors, insetting of retail entrances, changes to bin and cycle store layout and elevational treatment, removal of office floor facade vents, relocation and enlargement of cycle store, and widening of fire escape door

Amendments to planning permission dated 1st June 2022 (RN:22/02572/FULL) for Installation of two new rooflights to rear roof slope, in association with loft conversion. Namely, to replace windows to front and rear at first floor level with slimline double glazing.

Amendments to planning permission dated 17 May 2022 (RN:21/01138/FULL) for demolition of existing buildings and redevelopment of the site to create a Class E use building, including basement plant and cycle parking facilities, installation of roof top plant and all other works incidental to the proposals. Namely, to amend the wording of Condition 29 (BREEAM).

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 08 March 2023 (RN: 22/07758/FULL) for 'Installation of a new door opening to the 5th floor roof terrace and installation of a grille to an existing window at the 5th floor of the west elevation'. Namely, addition of a new external ramp to allow for wheelchair access to and from the roof terrace on the fifth floor.

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.