Planning application
44 Marlborough Place London NW8 0PL
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Replacement of all front and rear windows with slim profile double-glazed units.
As published by the council, reference 26/00857/FULL
Application record
- Reference
- 26/00857/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 11 Feb 2026
- Validated
- 5 Mar 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.
-
26/00450/FULL Awaiting decision
44 Marlborough Place London NW8 0PL
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.
Timeline
Dates from the published record
-
11 Feb 2026
Received by Westminster
-
5 Mar 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 30 April 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
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 recordDocuments
Plans, drawings, consultee responses and the officer's report
7 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
-
64 Marlborough Place London NW8 0PL
Detailed drawings of the proposed acoustic enclosure, detailed drawings of the proposed roof lantern and detailed drawings of the proposed fenestration, pursuant to condition 4, 5 and 6 of planning permission dated 28th July 2025 (RN 25/04343/FULL)
Granted Full applications Windows or glazing 4 docs -
62B Marlborough Place London NW8 0PL
T1 1 x Poplar: Reduce back to previous, most recent pollard points.
Granted Trees 6 docs -
60 Marlborough Place London NW8 0PL
Amendments to planning permission dated 6th June 2017 (RN: 17/01932/FULL) (as separately amended by non-material amendment application agreed on 30th May 2023 (RN: 23/00007/NMA) and by non-material amendment application agreed on 2nd August 2024 (23/08692/NMA)) for the excavation of basement with associated lightwells and mechanical plant, demolition and replacement of existing side extension and alterations to dormers at roof level and fenestration/doors to elevations, associated works to front and rear gardens; and internal alterations; NAMELY restoration of front entrance steps and portico with cast-iron balustrade and lantern, fenestration adjustments to north-east elevation, replacement of driveway gate with sliding gate. [Linked with 25/08850/LBC]
Granted Amendments Extension Loft or dormer +2 24 docs -
64A Marlborough Place London NW8 0PL
100% historically approved · decision due ~13 Apr
Magnolia tree in the back garden. The tree needs removing as it?s roots have caused damage to a neighbour?s extension.
Awaiting decision Trees 9 docs -
66 Marlborough Place London NW8 0PL
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)
Decided -
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
Other full applications
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26/06234/FULL Decided
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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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26/06015/FULL Decided
129 Saltram Crescent London W9 3JT
Erection of a two-storey rear extension.
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26/07382/FULL Awaiting decision
90 Gloucester Place London W1U 6HS
Use of the building as an embassy (sui generis)
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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.
-
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)