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Planning application

40 Ebury Mews East London SW1W 9QA

Decided Westminster 26/05016/FULL Full applications

Works: Extension Loft or dormer

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Erection of mansard roof extension, with associated external terrace, rear extension to ground and first floor to infill lightwells between main houses and mews houses, creation of basement and alterations to front elevation.

As published by the council, reference 26/05016/FULL

Application record

Reference
26/05016/FULL
Category
Full applications
Status
Decided
Received
27 Jul 2026
Validated
27 Jul 2026
Ward
Knightsbridge And Belgravia
Postcode
SW1W 9QA

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026.

  • 26/04653/ADFULL Awaiting decision

    40 Ebury Mews East London SW1W 9QA

    Details of refuse and recycling storage pursuant to condition 7 of prior approval dated 18 May 2026 (RN: 26/02098/P3JPA)

    Submitted 13 Jul 2026 Full applications
  • 26/03995/ADFULL Awaiting decision

    40 Ebury Mews East London SW1W 9QA

    Details in writing appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 6 of planning permission dated 21st May 2026 (RN:26/02098/P3JPA)

    Submitted 17 Jun 2026 Full applications

Timeline

Dates from the published record

  1. 27 Jul 2026

    Received by Westminster

  2. 4 Aug 2026

    Added to PlanIndex

  3. 19 Oct 2026

    Status changed to Decided

    Previously Pending.

Documents

Plans, drawings, consultee responses and the officer's report

38 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.

Watch members (£5 a month) open the document list from here.

Open the documents

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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 40 Ebury Mews East London SW1W 9QA

    26/03995/ADFULL Submitted 17 Jun 2026 50 yards away

    88% historically approved · decision due ~17 Aug

    Details in writing appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 6 of planning permission dated 21st May 2026 (RN:26/02098/P3JPA)

    Awaiting decision Full applications 5 docs

  • 44 Ebury Mews East London SW1W 9QA

    26/02098/P3JPA Submitted 30 Mar 2026 50 yards away

    89% historically approved · decision due ~28 May

    Notification for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide one residential dwelling.

    Awaiting decision Prior approval 10 docs
    Domestic

  • 40 Ebury Mews East London SW1W 9QA

    26/04653/ADFULL Submitted 13 Jul 2026 50 yards away

    88% historically approved · decision due ~7 Sep

    Details of refuse and recycling storage pursuant to condition 7 of prior approval dated 18 May 2026 (RN: 26/02098/P3JPA)

    Awaiting decision Full applications 5 docs

  • 78 Chester Square London SW1W 9DU

    26/03241/ADLBC Submitted 18 May 2026 50 yards away

    89% historically approved · decision due ~13 Jul

    detailed drawings (sections and elevations at a scale of 1:10 and/or 1:20) of the new windows and doors (to be annotated to correspond to rooms and floor level) and detailed drawings of section drawing (scale of 1:10) through the mansard showing the dormer window and shoulder of the mansard (see informative 3) pursuant to condition 3 (A), 6 of listed building dated 17th May 2024 (RN:24/00173/LBC)

    Awaiting decision Conditions Loft or dormer Windows or glazing 9 docs

  • 79 Chester Square London SW1W 9DU

    26/02994/ADLBC Submitted 7 May 2026 50 yards away

    89% historically approved · decision due ~2 Jul

    Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 3 (part iii) of Listed Building Consent dated 11th January 2023 (RN 22/05928/LBC)

    Awaiting decision Conditions 4 docs

  • 79 Chester Square London SW1W 9DU

    26/02991/ADFULL Submitted 6 May 2026 50 yards away

    88% historically approved · decision due ~1 Jul

    Details of biodiversity management plan in relation to second floor green roof pursuant to condition 9 (partial) of planning permission dated 13 December 2022 (RN: 22/05927/FULL)

    Awaiting decision Full applications 9 docs

In Westminster

  • 26/05984/FULL Decided

    41 Sutherland Street London SW1V 4JX

    Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

    Received 2 Sep, published by the council 11 Sep 2026 Full applications
  • 26/06134/FULL Decided

    Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

    Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

    Received 8 Sep, published by the council 15 Sep 2026 Full applications
  • 26/07258/FULL Awaiting decision

    16A Croxley Road London W9 3HL

    Installation of air to air heat pumps to offices and bedrooms.

    Received 22 Oct, published by the council 23 Oct 2026 Full applications
  • 26/07193/FULL Awaiting decision

    98 Victoria Street London SW1E 5JL

    Shopfront alterations. (Linked with 26/07194/ADV)

    Received 21 Oct, published by the council 22 Oct 2026 Full applications
  • 26/07187/FULL Awaiting decision

    Ground Floor Flat 151 Portnall Road London W9 3BN

    Erection of a single storey rear extension.

    Received 21 Oct, published by the council 22 Oct 2026 Full applications