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Planning application

44 Marlborough Place London NW8 0PL

Awaiting decision Westminster 26/00450/FULL Full Planning Permission Application

Works: New dwelling Extension

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

Proposal

Variation of conditions 2 and removal of condition 4 of planning permission dated 9th January 2025 (RN 23/08767/FULL) for the amalgamation of two self-contained flats into 1 X 3 bed flat and erection of infill extension on upper ground floor level. NAMELY, to remove condition 4 and amend the drawing numbers in condition 2 accordingly.

As published by the council, reference 26/00450/FULL

Application record

Reference
26/00450/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Jan 2026
Validated
26 Jan 2026
Ward
Abbey Road
Postcode
NW8 0PL

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/00857/FULL Awaiting decision

    44 Marlborough Place London NW8 0PL

    Replacement of all front and rear windows with slim profile double-glazed units.

    Submitted 11 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 26 Jan 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 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.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/04022/ADFULL Decided

    Ground Floor Flat 44 Marlborough Place London NW8 0PL

    Details of the materials to be used in the construction of the external surfaces of the extension; pursuant to condition 3 of planning permission dated 5th June 2026 (RN 26/00450/FULL)

    Submitted 18 Jun 2026

Who's behind it

Company information only, from the register and Companies House

Urbanist Architecture Ltd. Agent, an architecture practice registered in London

Active · incorporated 2013 · London

77 applications on PlanIndex · across 21 councils · 70% 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

9 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 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

  • 38 Marlborough Place London NW8 0PE

    26/00226/LBC Submitted 15 Jan 2026 50 yards away

    Installation of slabs to to front garden.

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  • 29 Blenheim Terrace London NW8 0EH

    25/05698/TCA Submitted 13 Aug 2025 50 yards away

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  • 66 Marlborough Place London NW8 0PL

    26/05929/ADFULL Submitted 31 Aug 2026 50 yards away

    89% historically approved · decision due ~26 Oct

    Details of the fixed maximum noise level for the plant and equipment, pursuant to Condition 6 of planning permission granted at appeal dated 29th November 2022 (APP/X5990/D/22/3300719, 21/04546/FULL)

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  • Ground Floor Flat 44 Marlborough Place London NW8 0PL

    26/04022/ADFULL Submitted 18 Jun 2026 50 yards away

    89% historically approved · decision due ~13 Aug

    Details of the materials to be used in the construction of the external surfaces of the extension; pursuant to condition 3 of planning permission dated 5th June 2026 (RN 26/00450/FULL)

    Decided Extension

  • 64A Marlborough Place London NW8 0PL

    26/05669/TCA Submitted 19 Aug 2026 50 yards away

    100% historically approved · decision due ~14 Oct

    Front neighbours T6 Firethorn x 1 (Pyracantha spp)- Cut back to boundary

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  • 66 Marlborough Place London NW8 0PL

    26/05664/TCA Submitted 7 Aug 2026 50 yards away

    100% historically approved · decision due ~2 Oct

    FT1 Hornbeam x 1 (Carpinus betulus). This centrally located prominent hornbeam had two lower lateral branches cut to accommodate building works. Suggested work: - lift canopy to 2.5m - snip in overlongs around canopy edge to make more flowing outline

    Withdrawn Trees 1 doc

In Westminster

  • 26/06234/FULL Decided

    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
  • 26/06015/FULL Decided

    129 Saltram Crescent London W9 3JT

    Erection of a two-storey rear extension.

    Received 3 Sep, published by the council 11 Sep 2026 Full applications
  • 26/07382/FULL Awaiting decision

    90 Gloucester Place London W1U 6HS

    Use of the building as an embassy (sui generis)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07363/FULL Awaiting decision

    36 Kilravock Street London W10 4HX

    Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07371/FULL Awaiting decision

    8A Randolph Road London W9 1AN

    Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications