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Planning application

11 Passmore Street London SW1W 8HR

Awaiting decision Westminster 26/03349/FULL Full Planning Permission Application

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Variation of condition 1 of planning permission dated 24th June 2024 (RN:24/01198/FULL) for the Variation of conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07969/FULL) for the: Alterations to front fenestration, the provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

As published by the council, reference 26/03349/FULL

Application record

Reference
26/03349/FULL
Type
Full Planning Permission Application
Status
Pending
Received
21 May 2026
Validated
21 May 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1W 8HR

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025: 0 approved, 1 refused.

  • 26/03079/ADFULL Awaiting decision

    11 Passmore Street London SW1W 8HR

    Details of windows, dormer window details, rooflights and PV panels and detailed drawings and a bio-diversity management plan in relation to the green and blue roofs to include construction method, layout, species and maintenance regime pursuant to conditions 6 and 16 of planning permission dated 24 June 2024 (RN:24/01198/FULL).

    Submitted 11 May 2026 Full applications
  • 25/06724/ADFULL Refused

    11 Passmore Street London SW1W 8HR

    Details of windows, dormer window details, rooflights and PV panels pursuant to condition 6 of planning permission dated 24 June 2024 (RN:24/01198/FULL).

    Decided 6 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 21 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 16 July 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.

Who's behind it

Company information only, from the register and Companies House

Studio80six Ltd Agent, registered in Rayleigh

Active · incorporated 2016 · Rayleigh

31 applications on PlanIndex · across 3 councils · 38% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

6 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

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 500 metres

  • 9 Passmore Street London SW1W 8HR

    26/03350/FULL Submitted 21 May 2026 6m away

    87% historically approved · decision due ~16 Jul

    Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01197/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07966/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to allow vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

    Awaiting decision Full applications Extension Loft or dormer +2 4 docs
  • 13 Passmore Street London SW1W 8HR

    26/03348/FULL Submitted 21 May 2026 6m away

    87% historically approved · decision due ~16 Jul

    Variation of condition 1 of planning permission dated 24th June 2024 (RN:24/01199/FULL) for the Variation of conditions 1 and 12 of planning permission dated 7th February 2024 (RN:22/07971/FULL) for the Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

    Awaiting decision Full applications Extension Loft or dormer +2 6 docs
  • 7 Passmore Street London SW1W 8HR

    26/03351/FULL Submitted 21 May 2026 9m away

    87% historically approved · decision due ~16 Jul

    Variation of conation 1 of planning permission dated 24 June 2024 (RN: 24/01196/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07964/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

    Awaiting decision Full applications Extension Loft or dormer +2 4 docs
  • 15 Passmore Street London SW1W 8HR

    26/03347/FULL Submitted 21 May 2026 10m away

    87% historically approved · decision due ~16 Jul

    Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01201/FULL) which itself varied conditions 1 and 12 of planning permission dated 7th February 2024 (RN 22/07972/FULL) for the partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

    Awaiting decision Full applications Extension Loft or dormer +2 1 doc
  • 5 Passmore Street London SW1W 8HR

    26/03352/FULL Submitted 21 May 2026 13m away

    87% historically approved · decision due ~16 Jul

    Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01194/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07960/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.

    Awaiting decision Full applications Extension Loft or dormer +2 4 docs
  • 19 Passmore Street London SW1W 8HR

    26/03083/ADFULL Submitted 11 May 2026 14m away

    87% historically approved · decision due ~6 Jul

    Detailed drawings and a bio-diversity management plan in relation to the green and blue roofs to include construction method, layout, species and maintenance regime pursuant to discharge of condition 16 of planning permission dated 24th June 2024 (RN: : 24/01203/FULL).

    Awaiting decision Full applications 10 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