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Planning application

9 Maunsel Street London SW1P 2QL

Awaiting decision Westminster 26/00054/FULL Full Planning Permission Application

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Erection of a single storey rear extension at ground floor level.

As published by the council, reference 26/00054/FULL

Application record

Reference
26/00054/FULL
Type
Full Planning Permission Application
Status
Pending
Received
6 Jan 2026
Validated
6 Jan 2026
Ward
Vincent Square
Postcode
SW1P 2QL

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/07139/FULL Awaiting decision

    9 Maunsel Street London SW1P 2QL

    Erection of a single storey rear extension at ground floor level.

    Submitted 19 Oct 2026 Full applications

Timeline

Dates from the published record

  1. 6 Jan 2026

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 3 March 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 91 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Appleton Weiner Agent, registered in London

Active · incorporated 2012 · London

4 applications on PlanIndex · across 4 councils

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See their track record

Documents

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

17 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.

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Open the documents

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 119 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

  • 9 Maunsel Street London SW1P 2QL

    26/07139/FULL Submitted 19 Oct 2026 50 yards away

    88% historically approved · decision due ~14 Dec

    Erection of a single storey rear extension at ground floor level.

    Awaiting decision Full applications Extension
    Small domestic

  • 31 Maunsel Street London SW1P 2QN

    26/01674/FULL Submitted 16 Mar 2026 50 yards away

    88% historically approved · decision due ~1 Jul

    Installation of air conditioning unit to the rear elevation at first floor level.

    Awaiting decision Full applications 23 docs

  • 31 Maunsel Street London SW1P 2QN

    22/05201/CLOPUD Submitted 31 Jul 2022 50 yards away

    Replacement of the existing single glazed ground floor casement window with a double glazed traditional sash unit to match No. 32 Maunsel Street.

    Granted Lawful development Windows or glazing 9 docs

  • 31 Maunsel Street London SW1P 2QN

    26/00345/FULL Submitted 21 Jan 2026 50 yards away

    Erection of single-storey infill extension at rear ground-floor level with rooflight above.

    Granted Full applications Extension Loft or dormer 29 docs
    Small domestic

  • Silvertown House 87 Vincent Square London SW1P 2PQ

    26/01292/FULL Submitted 2 Mar 2026 50 yards away

    88% historically approved · decision due ~6 May

    Installation of rainwater pipes with hopper heads to the south-east (Rutherford Street elevation) and north-west elevations (rear elevation) of the building.

    Awaiting decision Full applications 18 docs

  • Flat 13 4 Regency Street London SW1P 4BZ

    25/09362/FULL Submitted 26 Dec 2025 50 yards away

    Replacement of existing windows using slim-profile double glazing.

    Granted Full applications Windows or glazing 24 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications