Planning application
44 Marlborough Place London NW8 0PL
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.
Timeline
Dates from the published record
-
26 Jan 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 65 days over the applications it decided in the last year.
Related applications
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)
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
73 applications on PlanIndex · across 19 councils · 74% 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
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.
Trade members open them 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 89 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
-
38 Marlborough Place London NW8 0PE
Installation of slabs to to front garden.
Refused Heritage and listed buildings 12 docs -
-
66 Marlborough Place London NW8 0PL
89% historically approved · decision due ~26 Oct
Details of plant and equipment that formed part of the application, locatations, manufacturer speficications, noise sensitive receptor, distances between the plant and equipment, measurements of existing, lowest existing and measurement evidence pursuant to Condition 6 (a,b,c,d,e,f,g,h,i) of Appeal Decision dated 29th November 2022 (APP/X5990/D/22/3300719)
Awaiting decision -
Ground Floor Flat 44 Marlborough Place London NW8 0PL
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
100% historically approved · decision due ~14 Oct
Front neighbours T6 Firethorn x 1 (Pyracantha spp)- Cut back to boundary
Awaiting decision Trees -
62A Marlborough Place London NW8 0PL
87% historically approved · decision due ~31 Aug
Rendering of front facade with K-rend pure white silicone render system.
Decided Full applications 10 docs
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26/06295/FULL Awaiting decision
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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.
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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))
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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)
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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)