Planning application
Basement And Ground Floor Maisonette 53 Eaton Place London SW1X 8DE
Works: Extension Windows or glazing Small 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 31 July 2019 (RN: 19/02607) for Amalgamation of the lower ground and ground floor flat. Excavation of a single storey basement beneath closet wing and part of rear courtyard. Lowering of the floor in front basement vault. Erection of two storey rear infill extension. Erection of mechanical plant and enclosure in rear courtyard. Alterations to rear elevation including new window openings and replacement windows and works of repair and refurbishment; Namely, minor amendments including repositioning of boiler flue and airbricks on rear ground floor elevation, installation of plant bed within lightwell paving at rear lower ground floor level and installation of green wall on party wall in rear lightwell.
As published by the council, reference 20/05723/NMA
Application record
- Reference
- 20/05723/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Application Permitted
- Received
- 11 Sep 2020
- Validated
- 18 Sep 2020
- Decided
- 17 Dec 2020
- Ward
- Knightsbridge And Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 8DE
Timeline
Dates from the published record
-
11 Sep 2020
Received by Westminster
-
18 Sep 2020
Validated
Checked as complete and ready for consideration.
-
17 Dec 2020
Decision issued: Application Permitted
-
4 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
916 applications on PlanIndex · across 112 councils · 98% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
64 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 a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
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26/05881/NMA Awaiting decision
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Amendments to planning permission dated 11 August 2026 (RN: 26/04158/FULL) for the: Erection of a single-storey rear extension at lower ground floor level; replacement of existing rear window with a door at ground floor level and creation of terrace with associated railings/screening; and associated external alterations. NAMELY, revise the height of the rear elevation kitchen French doors.
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26/05798/NMA Awaiting decision
3 Blenheim Road London NW8 0LU
Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, internal alterations and minor adjustment to rooflight position.
-
26/05670/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.
-
26/05674/NMA Awaiting decision
52 Eaton Place London SW1X 8AL
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.
-
26/05586/NMA Awaiting decision
York House 23 Kingsway London WC2B 6UJ
Amendments to planning permission dated 21 November 2025 (RN: 25/04455/FULL) for Alteration and refurbishment of the ground floor entrances on both Kingsway and Kean Street; alterations to the 8th floor rear elevation in association with improved access to the external amenity terrace; installation of air conditioning condensers on the rooftop of the building; and replacement of the associated existing plant screen. Namely, the omission of two dormer windows at 8th floor level