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Planning application

9 Bentinck Mews London W1U 2AN

Awaiting decision Westminster 26/03118/FULL Full Planning Permission Application

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

Proposal

Removal of condition 3 of planning permission dated 30th August 2007 (RN: 07/02886/FULL) for the Alterations including the erection of an additional storey in connection with conversion to two single family dwellings (Class C3) including a 3 bedroom house with integral garage at No.9 and a 2 bedroom house at No.10. Namely, to remove condition 3 which restricts the use of the garage to people living in the property.

As published by the council, reference 26/03118/FULL

Application record

Reference
26/03118/FULL
Type
Full Planning Permission Application
Status
Pending
Received
12 May 2026
Validated
12 May 2026
Ward
Marylebone
Postcode
W1U 2AN

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 25/09158/FULL Awaiting decision

    9 Bentinck Mews London W1U 2AN

    Installation of an external air source heat pump and replacement of an existing (bathroom) window at rear first floor.

    Submitted 18 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 12 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 7 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 66 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Howard de Walden Estates Limited Agent, a developer registered in London

Active · incorporated 1963 · London

35 applications on PlanIndex

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See their track record

Documents

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

11 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 0.3 miles

  • 9 Bentinck Mews London W1U 2AN

    25/09158/FULL Submitted 18 Dec 2025 50 yards away

    87% historically approved · decision due ~12 Feb

    Installation of an external air source heat pump and replacement of an existing (bathroom) window at rear first floor.

    Awaiting decision Full applications Windows or glazing 13 docs

  • 7 Bulstrode Street London W1U 2JB

    26/05184/FULL Submitted 31 Jul 2026 50 yards away

    87% historically approved · decision due ~25 Sep

    Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05185/LBC)

    Awaiting decision Full applications Loft or dormer

  • 7 Bulstrode Street London W1U 2JB

    26/05185/LBC Submitted 31 Jul 2026 50 yards away

    90% historically approved · decision due ~25 Sep

    Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05184/FULL)

    Awaiting decision Heritage and listed buildings Loft or dormer

  • 3 Bulstrode Street London W1U 2JB

    26/05182/FULL Submitted 31 Jul 2026 50 yards away

    87% historically approved · decision due ~25 Sep

    Replacement of three Georgian wired timber framed rooflights with double glazed timber framed rooflights. (Linked with 26/05183/LBC)

    Awaiting decision Full applications Loft or dormer Windows or glazing

  • 3 Bulstrode Street London W1U 2JB

    26/05183/LBC Submitted 31 Jul 2026 50 yards away

    90% historically approved · decision due ~25 Sep

    Replacement of three Georgian wired timber framed rooflights with double glazed timber framed rooflights. (Linked with 26/05182/FULL)

    Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing

  • 4 Bentinck Street London W1U 2EF

    22/03397/FULL Submitted 23 May 2022 50 yards away

    Erection of a pergola at second floor with retractable awning and installation of bi-fold doors to the second-floor terrace.

    Granted Full applications Windows or glazing 21 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    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 replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications