Planning application
25/07907/NMA
107 Eaton Square London SW1W 9AA
Proposal
Amendments to planning permission dated 23 August 2021 (RN: 21/03324/FULL) for Variation of condition 1 of planning permission dated 14 April 2020 (RN: 19/09994/FULL) (which varied permission dated 29 April 2016 (RN: 15/10367/FULL) for 'Demolition and redevelopment behind retained front and part facades as well as the demolition and reconstruction of mews properties to create two single family dwelling houses. Associated alterations and extensions include subterranean basements, which will extend beneath the mews; re-instatement of the party wall in the rear courtyard; re-instatement of entrance to no.108; rear lower ground floor extensions partially infilling the rear courtyard and with roof terraces above; construction of full height closet wing extensions; reconstruction of mansard roof extension; installation of mechanical plant; and internal alterations on all floor levels (Site includes nos. 107 - 108 Eaton Square and nos. 107 - 108 Eccleston Mews) (as amended by RN: 20/00069/NMA). Namely, minor change to plant room internal room, minor change to doors to AC, gym and treatment room, minor change to soil pipes and cloakroom lobbies and addition of insulation to internal walls, minor change to two cloak rooms and addition of insulation to internal walls, minor change to bathrooms and addition of insulation to internal walls, minor change to bathrooms & bedroom doors and addition of insulation to internal walls, minor change to bathrooms & bedroom doors & ancillary rooms and addition of insulation to internal walls, minor change to stair and minor change to doors.
As published by the council, reference 25/07907/NMA
Timeline
Dates from the published record
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31 Oct 2025
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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25/08094/LBC Awaiting decision
107 Eaton Square London SW1W 9AA
Internal changes to some door openings, minor setting out, addition of insulation and minor changes to front entrance doors to the dwellings being built in accordance with listed building consent (RN 21/03325/LBC)
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26/01917/LBC Awaiting decision
Flat 3 109 Eaton Square London SW1W 9AA
Internal refurbishment and reconfiguration of Flat 3 (third and fourth floors) within 109 Eaton Square including rationalisation of internal layouts, renewal of kitchen and bathroom accommodation, replacement of the existing modern staircase and associated balustrade/handrail, removal of a small internal floor level change within the powder room, and minor alignment of ceiling heights within the proposed kitchen/dining area, works also include replacement of internal architectural detailing (including skirtings, architraves, cornicing, window surrounds and internal doors), replacement of existing fireplaces (where present) and upgrades to services and finishes throughout, roof level works limited to rationalisation of existing plant within the roof plant area, including relocation/concealment of condensers and removal of smaller existing rooflights (main skylight retained). (Linked to 26/01916/FULL)
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26/01916/FULL Awaiting decision
Flat 3 109 Eaton Square London SW1W 9AA
Internal refurbishment and reconfiguration of Flat 3 (third and fourth floors) within 109 Eaton Square including rationalisation of internal layouts, renewal of kitchen and bathroom accommodation, replacement of the existing modern staircase and associated balustrade/handrail, removal of a small internal floor level change within the powder room, and minor alignment of ceiling heights within the proposed kitchen/dining area, works also include replacement of internal architectural detailing (including skirtings, architraves, cornicing, window surrounds and internal doors), replacement of existing fireplaces (where present) and upgrades to services and finishes throughout, roof level works limited to rationalisation of existing plant within the roof plant area, including relocation/concealment of condensers and removal of smaller existing rooflights (main skylight retained). (Linked to 26/01917/LBC)
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26/02444/NMA Awaiting decision
113 Eaton Square London SW1W 9AA
Amendments to planning permission dated 6th November 2025 (RN 25/06283/FULL) for the External alterations including infill of the rear lightwell at lower ground floor level, addition of rooflights, replacement windows and doors including replacing garage doors and use of the garage as habitable space at 113 Eccleston Mews. NAMELY, Front windows of mews house changed from casement to timber, double glazed sash windows.
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26/00076/ADFULL Granted
113 Eaton Square London SW1W 9AA
Details confirming omission of rendered finish to front elevation, revised rear rooflight, revised window detail, rooflights showing relationship to finished roof pitch and external doors pursuant to condition 4 and 5 of planning permission dated 6th November 2025 (RN:25/06283/FULL).
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26/09395/ADLBC Granted
113 Eaton Square London SW1W 9AA
Details confirming omission of rendered finish to front elevation, revised rear rooflight, revised window detail, rooflights showing relationship to finished roof pitch and external doors pursuant to condition 4 and 5 of planning permission dated 6th November 2025 (RN: 25/06284/LBC). Linked to 26/00076/ADFULL
Other amendments applications
In Westminster
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26/04962/NMA Awaiting decision
Serpentine Gallery Kensington Gardens Exhibition Road London W2 3XA
Amendments to planning permission dated 27 February 2025 (RN: 24/08940/FULL) for the installation of temporary art sculpture from 24 March 2025 to 09 September 2025; NAMELY to extend the temporary planning consent until 21st March 2027.
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26/04951/NMA Awaiting decision
43 - 45 Portman Square London W1H 6LY
Amendments to planning permission dated 22 April 2026 (25/06153/FULL) for: Variation of Condition 1 of planning permission dated 7 April 2025 (24/04987/FULL) for: Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works NAMELY; to amend the wording of Condition 27 to allow basement demolition work to proceed.
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26/04873/NMA Awaiting decision
Orbis House 5 Mansfield Street London W1G 9NG
Amendments to planning permission dated 05 September 2024 (RN: 24/01895/FULL) for: new courtyard surface including walk-on rooflight; window and door alterations; new window to Mansfield Mews at second floor level; new rooflights; repairs to roof and external brickwork; erection of new staircase in front area lightwell; partial infill of rear lightwell at ground floor level; erection of roof terrace; installation of PV panels at roof level; and associated works namely; to allow provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevation omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04876/LBC)
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26/04870/NMA Awaiting decision
34 Park Street London W1K 2JD
Amendments to planning permission dated 8 May 2026 (25/07808/FULL) for general refurbishment and M&E upgrade of the office building namely; roof walkable skylight, GF meeting room wall mounted TV, garden bench and planters, fire lobbies, L4 glass partition, reception to hall door swing change, front lightwell electric cupboard change, wall panelling on LGF and L5, LGF modular screen, LGF courtyard window door infill, and LGF cove lighting.
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26/04816/NMA Awaiting decision
Ebury Bridge Estate Ebury Bridge Road London SW1W 8PX
Amendments to planning permission dated 21 July 2023 (RN:23/00331/COOUT) for a mixed use development in outline for residential floorspace and ancillary residential facilities (Class C3) non-residential floorspace comprising flexible retail (Classes A1 - A4), community (Class D1), leisure (Class D2) and workspace (Class B1) floorspace; provision of basement; new pedestrian and vehicular access; and associated amenity space, open space, plant, landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works; and detailed planning consent for Blocks 7 and 8 comprising residential floorspace and ancillary residential facilities (Class C3); provision of a basement; new pedestrian and vehicular access; and associated amenity space landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works, namely amendments to the approved Masterplan Phasing to incorporate enabling works and piling in Phase 2a and 3a.