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Planning application

100 Ebury Mews London SW1W 9NX

Awaiting decision Westminster 26/06104/FULL Full applications

Works: Extension Loft or dormer

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Roof terrace at main roof level, installation of two external air conditioning units at rear main roof level, creation of a second-floor front mansard roof extension, internal remodelling and associated external alterations.

As published by the council, reference 26/06104/FULL

Application record

Reference
26/06104/FULL
Category
Full applications
Status
Pending
Received
7 Sep 2026
Validated
7 Sep 2026
Postcode
SW1W 9NX

Timeline

Dates from the published record

  1. 7 Sep 2026

    Received by Westminster

  2. 14 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 2 November 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.

What 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 full applications in a median of 91 days. More in our guide to how long planning decisions take.

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

  • 98 Ebury Mews London SW1W 9NX

    25/08162/ADFULL Submitted 7 Nov 2025 50 yards away

    87% historically approved · decision due ~8 Jan

    Detailed drawings at 1:10 and sections at 1:5 (specifying materials and finished appearance) of the windows, to show relationship with reveals/ surrounding fabric (including the front bay), doors (including any carriage/garage doors) and rear extension and details of a method statement explaining the measures you will take to protect the trees on and close to the site pursuant to condition 4 and 7 of planning permission dated 19th August 2025 (RN:25/03779/FULL)

    Awaiting decision Full applications Extension Windows or glazing +1 16 docs

  • Flat 1 Basement And Ground Floor 98 Ebury Street London SW1W 9QD

    25/05621/ADLBC Submitted 11 Aug 2025 50 yards away

    Details (sections 1:5 and elevations 1:10) of the new windows and doors pursuant to Condition 3 of listed building dated 31 January 2024 (RN: 23/08322/LBC).

    Refused Conditions Windows or glazing 16 docs

  • Flat 1 Basement And Ground Floor 98 Ebury Street London SW1W 9QD

    25/06390/ADLBC Submitted 8 Sep 2025 50 yards away

    Details of new windows and doors, pursuant to Condition 3 of listed building consent dated 31 January 2024 (RN 23/08322/LBC)

    Granted Conditions Windows or glazing 23 docs

  • 80 Ebury Street London SW1W 9QD

    22/05074/LBC Submitted 26 Jul 2022 50 yards away

    Installation of secondary glazing to front and rear windows at basement, ground, first, second and third floor levels.

    Granted Heritage and listed buildings Windows or glazing 26 docs

  • 46 Chester Square London SW1W 9EA

    25/07578/CLEUD Submitted 20 Oct 2025 50 yards away

    Use of 46 Chester Square and 46 Ebury Mews together as a single dwelling (Use Class C3).

    Granted Lawful development 51 docs
    Domestic

  • 47 Chester Square London SW1W 9EA

    26/00891/ADFULL Submitted 12 Feb 2026 50 yards away

    87% historically approved · decision due ~9 Apr

    Details of signed Appendix A pursuant to Condition 9 of planning permission dated 10 September 2025 (RN24/05375/FULL)

    Awaiting decision Full applications 4 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    Received 1 Jun, published by the council 11 Sep 2026 Full applications