Planning application
Second Floor Flat 163 Portnall Road London W9 3BN
Works: Extension Loft or dormer Demolition
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace conservatory, new rear loft dormer, and new metal balustrade to existing roof terrace.
As published by the council, reference 25/09036/FULL
Application record
- Reference
- 25/09036/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 12 Dec 2025
- Validated
- 20 Jan 2026
- Ward
- Queen's Park
- Postcode
- W9 3BN
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025.
-
26/06392/ADFULL Awaiting decision
Second Floor Flat 163 Portnall Road London W9 3BN
Details of photographs of the facing materials pursuant to condition 3 of planning permission dated 26 August 2026 (RN: 25/09036/FULL)
Timeline
Dates from the published record
-
12 Dec 2025
Received by Westminster
-
20 Jan 2026
Validated
Checked as complete and ready for consideration.
-
20 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 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.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/06392/ADFULL Awaiting decision
Second Floor Flat 163 Portnall Road London W9 3BN
Details of photographs of the facing materials pursuant to condition 3 of planning permission dated 26 August 2026 (RN: 25/09036/FULL)
Who's behind it
Company information only, from the register and Companies House
Office Ten Architecture Agent, an architecture practice registered in London
Active · incorporated 2021 · London
12 applications on PlanIndex · across 4 councils
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
26 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
-
Second Floor Flat 141 Portnall Road London W9 3BN
88% historically approved · decision due ~25 May
Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.
Awaiting decision Full applications Extension Loft or dormer 17 docs -
Ground Floor Flat 151 Portnall Road London W9 3BN
88% historically approved · decision due ~16 Dec
Erection of a single storey rear extension.
Awaiting decision Full applications ExtensionSmall domestic -
Second Floor Flat 163 Portnall Road London W9 3BN
89% historically approved · decision due ~12 Nov
Details of photographs of the facing materials pursuant to condition 3 of planning permission dated 26 August 2026 (RN: 25/09036/FULL)
Awaiting decision -
Second Floor Flat 141 Portnall Road London W9 3BN
88% historically approved · decision due ~26 Nov
Erection of a rear dormer roof extension and the installation of three rooflights to front roof slope.
Awaiting decision Full applications Extension Loft or dormer -
Second Floor Flat 141 Portnall Road London W9 3BN
88% historically approved · decision due ~20 Aug
Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights and associated external alterations.
Awaiting decision Full applications Extension Loft or dormer -
186 Ashmore Road London W9 3DE
Erection of single-storey full width rear extension at ground floor level; erection of rear dormer extension with front roof lights; conversion from a single dwelling house into three self-contained flats (Use Class C3); installation of refuse and cycle storage in front and rear gardens.
Granted Full applications New dwelling Extension +1 21 docsSmall domestic
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