Planning application
52 Eaton Place London SW1X 8AL
Works: Extension Windows or glazing
Relates to 25/05108/FULL
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors, namely to allow replacement of second floor rear full height sash window with set of French doors.
As published by the council, reference 26/05674/NMA
Application record
- Reference
- 26/05674/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 19 Aug 2026
- Validated
- 19 Aug 2026
- Postcode
- SW1X 8AL
Site history
Applications at this address on the Westminster register
This site has had 10 applications since 2025: 3 approved, 2 refused.
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26/07131/LBC Awaiting decision
52 Eaton Place London SW1X 8AL
Replacement of the approved second-floor rear sash window with painted timber French doors. (Linked with 26/05674/NMA)
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26/04272/LBC Awaiting decision
52 Eaton Place London SW1X 8AL
Creation of a lobby in the first-floor front room (Amendment to Listed Building Consent dated 25 Sept 2025 RN: 25/05109/LBC)
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26/03333/LBC Awaiting decision
52 Eaton Place London SW1X 8AL
Minor alterations to the previous consented scheme.
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26/02230/ADLBC Awaiting decision
52 Eaton Place London SW1X 8AL
Detailed elevations and section of the front door and its surrounds, pursuant to condition 4 of Listed Building Consent dated 25th September 2025 (25/05109/LBC)
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26/01225/LBC Granted
52 Eaton Place London SW1X 8AL
Internal alterations at first and second floor levels.
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25/08102/ADFULL Refused
52 Eaton Place London SW1X 8AL
Details of the front door pursuant to Condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL).
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25/08219/ADLBC Refused
52 Eaton Place London SW1X 8AL
Details of the front door pursuant to Condition 4 of listed building consent dated 25th September 2025 (RN: 25/05109/LBC).
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25/05109/LBC Granted
52 Eaton Place London SW1X 8AL
Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors to first floor flat, second floor flat, and the common parts; and, internal alterations to the first floor flat, second floor flat, and common parts.
-
25/05108/FULL Granted
52 Eaton Place London SW1X 8AL
Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors.
Timeline
Dates from the published record
-
19 Aug 2026
Received by Westminster
-
24 Aug 2026
Added to PlanIndex
-
25 Sep 2026
Status changed to Decided
Previously Pending.
Related applications
Cases linked to this one on the register
-
25/05108/FULL Granted
52 Eaton Place London SW1X 8AL
Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors.
1 later application on the register refers to this one:
-
26/07131/LBC Awaiting decision
52 Eaton Place London SW1X 8AL
Replacement of the approved second-floor rear sash window with painted timber French doors. (Linked with 26/05674/NMA)
After the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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
-
52 Eaton Place London SW1X 8AL
90% historically approved · decision due ~16 Dec
Replacement of the approved second-floor rear sash window with painted timber French doors. (Linked with 26/05674/NMA)
Awaiting decision Heritage and listed buildings Windows or glazing -
46 Eaton Place London SW1X 8AL
89% historically approved · decision due ~27 Nov
Details of Remediation Strategy pursuant to partial discharge of Condition 5 (Phase 3) of planning permission dated 17th March 2026 (RN: 25/04439/FULL)
Awaiting decision -
52 Eaton Place London SW1X 8AL
89% historically approved · decision due ~28 May
Detailed elevations and section of the front door and its surrounds, pursuant to condition 4 of Listed Building Consent dated 25th September 2025 (25/05109/LBC)
Awaiting decision Conditions 4 docs -
52 Eaton Place London SW1X 8AL
Details of the front door pursuant to Condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL).
Refused Full applications 8 docs -
46 Eaton Place London SW1X 8AL
Confirmation that the planning permission dated 26th April 2023 (RN: 22/05260/FULL) for the 'Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North)' was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
Granted Lawful development Extension Loft or dormer +1 13 docs -
46 Eaton Place London SW1X 8AL
Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).
Granted Full applications Extension Loft or dormer 144 docsSeveral homes
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-
26/07181/NMA Awaiting decision
Newlands House 37 - 40 Berners Street London W1T 3NA
Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.
-
26/07132/NMA Awaiting decision
157 - 159 Victoria Street London SW1E 5NA
Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.
-
26/07086/NMA Awaiting decision
Windsor House 50 Victoria Street London SW1H 0TL
Amendments to planning permission dated 18th September 2026 (RN 26/01445/FULL) for the Refurbishment of Windsor House and Christchurch House (excluding residential part), including re-cladding and amendment of facades, replacement of windows, new end-of-trip facilities, installation of roof-level plant and screening, and associated works, to provide office, retail, restaurant and indoor recreation accommodation (Class E) with amenity spaces, including a new roof level pavilion to Christchurch House and link bridge between Windsor House and Christchurch House. NAMELY, amendments to the wording of Conditions 1, 11, 12, 13,14, 15 and 26.
-
26/07071/NMA Awaiting decision
London School Of Economics & Political Science Houghton Street London WC2A 2AE
Amendments to planning permission dated 21st Februrary 2018 (RN:17/05855/FULL) for Variation of Condition 1 of planning permission dated 19 October 2016 (RN:16/05155/FULL) for demolition of existing buildings known as Clare Market, The Anchorage, the East Building, St Clements (partial) and Tower One (partial) and redevelopment to provide replacement interconnected academic facilities for Class D1 and ancillary uses, comprising a two storey basement, a part six storey / part 13 storey building and a seven storey core extension to the St Clements building and associated cycle parking and other works; all arranged around a new public square namely, removal of two cycle stands.
-
26/06211/NMA Decided
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21 July 2022 (RN:22/03521/FULL) which varied Condition 5 of planning permission dated 11 April 2018 (17/10815/FULL) for: 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 the wording of Condition 3 to omit the words " No one else may benefit from this permission" to allow the use by third party practitioners.