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42, Birchen Grove, London, NW9 8SA

25/2343Householder planning permissionApproved
Householder

Approved on 2 February 2026

5 conditions

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

Construction of an outbuilding at the rear garden of 42 BIRCHEN GROVE, NW9 8SA

Submitted
19 August 2025
  1. Received19 Aug
  2. Validated
  3. Consult.
  4. Target
  5. Decided2 Feb

Decided in 167 days (council typically 56)

About this application

This is a planning application for an outbuilding at 42, Birchen Grove, London, NW9 8SA. Brent has handled 514 applications of this type. This one was decided in 167 days, 16 weeks longer than Brent's typical decision time. The site is in a conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 131 applications across Welsh Harp. We hold 1,900 applications in total for the NW9 postcode area.

84% of householder planning permission 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
NW9 8SA
Application type
Householder planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Article 4 direction: Article 4 for HMOs
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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