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10 Ashburnham Road, London, NW10 5SD

26/1425Certificate of Lawfulness - ProposedApproved
Outline / PiP

Approved on 1 October 2026

Council decision: Certificate of Lawfulness - GrantedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of lawfulness for proposed rear dormer extension, dormer to outrigger, 3x front roofl...

Received
8 June 2026
Decision level
Delegated (officer decision)
Public comments
0 · last counted 1 November 2026
Ward
Queens Park
Agent
YOM.ARCH LTD
  1. Received8 Jun
  2. Validated10 Aug
  3. Consult.3 Aug
  4. Target5 Oct
  5. Decided1 Oct

Decided in 52 days (council typically 56)

About this application

This is an outline application for a dormer extension at 10 Ashburnham Road, London, NW10 5SD. Brent has handled 1,485 applications of this type. This one was decided in 115 days, 8 weeks longer than Brent's typical decision time. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 264 applications across Queens Park. We hold 4,518 applications in total for the NW10 postcode area.

75% of outline applications at London Borough of Brent were approved. Across all application types, the council typically decides in about 8 weeks (median).

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

Application details

Postcode
NW10 5SD
Application type
Certificate of Lawfulness - Proposed
Scale / size
Small

Planning application dates

Date validated
10 August 2026
Last date for comments
3 August 2026
Target decision date
5 October 2026

Applicant and agent

Agent
YOM.ARCH LTD
Architect profile
YOM.ARCH LTD
Agent address
125 Redbridge Lane East, Ilford, Essex, IG4 5DB

Additional information

Planning Portal ID
PP-14995993
Documents
6
Constraints
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 for HMOs
  • 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.

Source: Brent

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

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