Planning application
Flat 1 23 Eaton Place London SW1X 8BP
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of single-story rear extension and associated works.
As published by the council, reference 26/02822/LBC
Application record
- Reference
- 26/02822/LBC
- Type
- Listed Building Consent Application
- Status
- Pending
- Received
- 29 Apr 2026
- Validated
- 29 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1X 8BP
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/02821/FULL Awaiting decision
Flat 1 23 Eaton Place London SW1X 8BP
Erection of single-story rear extension and associated works.
Timeline
Dates from the published record
-
29 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 65 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
14 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 happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 93 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Flat 1 23 Eaton Place London SW1X 8BP
87% historically approved · decision due ~24 Jun
Erection of single-story rear extension and associated works.
Awaiting decision Full applications Extension 18 docs -
21 Eaton Place London SW1X 8BP
89% historically approved · decision due ~21 Sep
Like for like remedial after exposure works.
Awaiting decision 16 docs -
Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP
90% historically approved · decision due ~25 Sep
Replacement of external door at lower ground floor level.
Decided Heritage and listed buildings -
Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP
Internal alterations at lower ground floor level, including installation of damp proofing and secondary glazing to front windows.
Granted Heritage and listed buildings Windows or glazing 16 docs -
Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP
Replacement of external door at Lower Ground Floor level and installation of external security gate in front.
Refused Heritage and listed buildings 14 docs -
34 Belgrave Mews South London SW1X 8BT
87% historically approved · decision due ~16 Jan
Details of a validation report pursuant to condition 5 (4) of planning permission dated 8th February 2024 (RN:23/08449/FULL)
Awaiting decision Full applications 7 docs
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26/06165/LBC Awaiting decision
17 Hertford Street London W1J 7RS
Internal alterations to the basement including new lightweight timber-stud partitions to reorganise the existing basement layout; Installation of new sanitaryware in a newly configured bathroom; Replacement of modern kitchen fittings; and Installation of traditional four-panel timber doors, architraves and ironmongery designed to match existing doors.