Planning application
9 Bentinck Mews London W1U 2AN
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.
Timeline
Dates from the published record
-
12 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 91 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
37 applications on PlanIndex · 91% 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 recordDocuments
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 documentsWhat 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 Bentinck Mews London W1U 2AN
88% 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
88% historically approved · decision due ~25 Sep
Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05185/LBC)
Decided Full applications Loft or dormer -
7 Bulstrode Street London W1U 2JB
90% historically approved · decision due ~25 Sep
Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05184/FULL)
Decided Heritage and listed buildings Loft or dormer -
3 Bulstrode Street London W1U 2JB
88% 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)
Decided Full applications Loft or dormer Windows or glazing -
3 Bulstrode Street London W1U 2JB
Replacement of three Georgian wired timber framed rooflights with double glazed timber framed rooflights. (Linked with 26/05182/FULL)
Decided Heritage and listed buildings Loft or dormer Windows or glazing -
47B Welbeck Street London W1G 9XN
88% historically approved · decision due ~13 Nov
Alterations to the existing building comprising the provision of dual Office (Class E(g)(i)) and Healthcare (Class E(e)) accommodation from lower ground to third-floor levels; installation of external plant and enclosure at roof level; installation of slimline glazing to existing windows at lower ground, second and fourth floors; replacement of existing single-glazed third-floor windows with double-glazed units; removal of roof hatches and installation of a rooflight and service opening; and alterations to the lower ground floor lightwell.
Awaiting decision Full applications Loft or dormer Windows or glazing
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