52 Eaton Place London SW1X 8AL Data via plota.co.uk
Proposal
Amendments to planning permission dated 25 September 2025 () 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. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 7 Oct 2026 and 14 Oct 2026, from Westminster's recent extensions.
Associated applications 2
Part of
- AmendmentAmendments to planning permission dated 25 September 2025 for: Alterations to rear extension…This application26/05674/NMA
Site constraints 6
Show the other 16 with distances
- 50 m83-102, Eaton Square Sw1Grade II*
- 61 m2-5, BELGRAVE PLACE SW1 (See details for further address information)Grade II
- 63 m37-43, Eaton Place Sw1Grade II
- 85 mMews Arch to Lowndes CloseGrade II
- 90 mK6 Telephone Kiosk Outside Flank Elevation of Number 103 Eaton SquareGrade II
- 98 mNumber 11 Including Mews ArchGrade II
- 107 m45-69, Eaton Place Sw1Grade II
- 112 mMews Arch to Roberts MewsGrade II
- 112 m1, Belgrave Place Sw1Grade II
- 119 mNumbers 56 to 82 (Even) and Attached Mews ArchGrade II
- 125 mLowndes HouseGrade II
- 133 mArchway to Eaton Mews NorthGrade II
- 143 m29-37 Chesham PlaceGrade II
- 143 mSpanish EmbassyGrade I
- 148 m38, Chesham Place Sw1Grade II
- 149 mArchway to Eaton Mews NorthGrade II
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- SW1X 8AL
- Received
- 19 Aug 2026
- Validated
- 19 Aug 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 16 Sept 2026
- Applicant
- Show
- Agent
- ngarchitecture
Decision outlook
Day 26 of the 56-day target. Westminster usually decides extensions by day 53.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 12 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15169281
- Env. assessment
- No
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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52 Eaton Place London SW1X 8AL
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Referenced application
Council archive
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.
- Received
- 22 Jul 2025
- Decided
- 25 Sep 2025
- Outcome
- Approved