Planning application
107 Eaton Square London SW1W 9AA
Works: Extension Loft or dormer Demolition Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission dated 23 August 2021 (RN: 21/03324/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, internal changes to door openings, setting out and addition of insulation and minor changes to front entrance doors.
As published by the council, reference 25/07907/NMA
Application record
- Reference
- 25/07907/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 31 Oct 2025
- Validated
- 31 Oct 2025
- Decided
- 10 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1W 9AA
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
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25/08094/LBC Granted
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 21/03325/LBC
Timeline
Dates from the published record
-
31 Oct 2025
Received by Westminster
-
10 Feb 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Town Planning Bureau Agent, a planning consultancy
123 applications on PlanIndex · across 11 councils · 86% granted
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Plans, drawings, consultee responses and the officer's report
10 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 10 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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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 21/03325/LBC
Granted Heritage and listed buildings 16 docs -
Flat 3 109 Eaton Square London SW1W 9AA
90% historically approved · decision due ~10 Jun
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)
Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing 84 docs -
Flat 3 109 Eaton Square London SW1W 9AA
88% historically approved · decision due ~10 Jun
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)
Awaiting decision Full applications Loft or dormer Windows or glazing 85 docs -
113 Eaton Square London SW1W 9AA
93% historically approved · decision due ~9 Jun
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.
Awaiting decision Amendments Extension Loft or dormer +1 7 docs -
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).
Granted Full applications Loft or dormer Windows or glazing 16 docs -
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
Granted Conditions Loft or dormer Windows or glazing 15 docs
Other amendment applications
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26/07389/NMA Awaiting decision
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to 5 Grittleton Road.
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26/07312/NMA Awaiting decision
15 Rodmarton Street London W1U 8BL
Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.
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26/07317/NMA Awaiting decision
42 - 44 Beak Street London W1F 9RH
Amendments to planning permission dated 28 October 2025 (25/06226/FULL) for: Installation of a replacement entrance door and the formation of an additional new entrance at ground floor level; associated alterations to the ground floor facade and the installation of plant and related mechanical equipment at roof level namely, paint colour and lighting.
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26/07281/NMA Awaiting decision
Brymon Court 31 - 32 Montagu Square London W1H 2LH
Amendments to planning permission dated 6 May 2026 (25/07520/FULL) for: Replacement of windows to the front, side and rear elevations with aluminium framed windows namely, to include the replacement of five doors.
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26/07243/NMA Awaiting decision
144 Praed Street London W2 1HU
Amendments to planning permission dated 09 August 2024 (RN: 22/08247/FULL) for the replacement of the mansard roof with a sheer brickwork extension, new mansard roof extension and rooftop plant enclosure to provide additional hotel accommodation (Class C1); alterations to facade fenestration and shopfronts; installation of a green wall to the side (north-east); and associated works. NAMELY, to amend Condition 13 to require details of the modular green wall to be submitted prior to commencement of the relevant part of the development.