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
- 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: 1 approved, 0 refused.
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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)
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
99 applications on PlanIndex · across 11 councils · 80% granted
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See their track recordDocuments
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.
Trade members open them from here.
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 500 metres
-
107 Eaton Square London SW1W 9AA
90% historically approved · decision due ~1 Jan
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)
Awaiting decision Heritage and listed buildings 8 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
87% 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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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)
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26/06211/NMA Awaiting decision
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21th July 2022 (RN:22/03521/FULL) for Variation of condition 5 of planning permission dated 11th April 2018 (17/10815/FULL) for the Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP. Namely, to amend condition 3.
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26/06199/NMA Awaiting decision
33 - 35 Praed Street London W2 1NR
Amendments to planning permission dated 24th Septmebr 2024 (RN:24/03287/FULL) for Use of lower ground and ground floors as supermarket with ancillary bakery (Class E); Use of first, second and third floors as aparthotel with 19 bedrooms (Class C1); Installation of plant machinery and solar thermal panels at roof level, Replacement of windows; and associated external alterations. Namely, Introduction of two shawarma grill machines in the supermarket area at ground floor level; the introduction of a new canopy to provide ventilation for the two shawarma grill machines; and amendments to the ventilation design for the lower ground floor bakery canopy extract.