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598 Harrow Road London W10 4NJ

26/01862/FULLFull Planning Permission ApplicationApproved
Full

Approved on 22 July 2026

Site boundary (council red line)

Proposal

Erection of a dormer extension to the rear roofslope and installation of rooflight to the front roofslope.

Received
23 March 2026
Ward
Queen's Park
  1. Received23 Mar
  2. Validated15 May
  3. Consult.
  4. Target10 Jul
  5. Decided22 Jul

Decided in 68 days (council typically 49)

About this application

This is a full planning application for a dormer extension at 598 Harrow Road London W10 4NJ. Westminster has handled 4,484 applications of this type. This one was decided in 121 days, 10 weeks longer than Westminster's typical decision time. The site is in the Queens Park Estate conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 71 applications across Queen's Park. We hold 1,364 applications in total for the W10 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
W10 4NJ
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
15 May 2026
Target decision date
10 July 2026

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14799687
Comments
0
Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Queens Park Estate
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage 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.

Source: Westminster

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

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