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Second Floor Flat 163 Portnall Road London W9 3BN

25/09036/FULLFull Planning Permission ApplicationApproved
Full

Approved on 26 August 2026

Site boundary (council red line)

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.

Received
12 December 2025
Ward
Queen's Park
Agent
Office Ten Architecture
  1. Received12 Dec
  2. Validated20 Jan
  3. Consult.
  4. Target17 Mar
  5. Decided26 Aug

Decided in 218 days (council typically 49)

About this application

This is a full planning application for demolition at Second Floor Flat 163 Portnall Road London W9 3BN. Westminster has handled 4,484 applications of this type. This one was decided in 257 days, 30 weeks longer than Westminster's typical decision time. There has been 1 other application at this address. In the past year there have been 71 applications across Queen's Park. We hold 1,425 applications in total for the W9 postcode area.

86% of full applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W9 3BN
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
20 January 2026
Consultation expiry
18 March 2026
Target decision date
17 March 2026

Applicant and agent

Agent
Office Ten Architecture
Architect profile
OFFICE TEN ARCHITECTURE LIMITED
Agent address
Unit 9 81 Southern Row London W10 5AL United Kingdom

Planning decision

Statutory period
56 days

Publicity

Last advertised
25 February 2026
Advertisement expiry
18 March 2026

Additional information

Planning Portal ID
PP-14562011
Comments
0
Documents
26

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    17 Sep

    Details of photographs of the facing materials pursuant to condition 3 of planning permission dated 26 August…

    PendingApplicationRelated26/06392/ADFULL
  2. 2025
    12 Dec

    Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace…

    This applicationApprovedFull25/09036/FULL

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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