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25, Brockley Avenue, HA7 4LT

25/1429/192Lawful development: Proposed useApproved

Approved on 23 April 2025

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

Roof extension with dormer windows to both sides and rear and 1no. front facing rooflight. Removal of chimneys. Single storey rear extension. Conversion of existing garage into a habitable room, insertion of window to replace garage door

Submitted
1 April 2025
  1. Received1 Apr
  2. Validated
  3. Consult.
  4. Target
  5. Decided23 Apr

Decided in 22 days (council typically 56)

About this application

This is a planning application for a single storey rear extension at 25, Brockley Avenue, HA7 4LT. Barnet has handled 526 applications of this type. This one was decided in 22 days, 5 weeks quicker than Barnet's typical decision time. There has been 1 other application at this address. In the past year there have been 95 applications across EW22. We hold 2,215 applications in total for the HA7 postcode area.

83% of lawful development: proposed use applications at London Borough of Barnet 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
HA7 4LT
Application type
Lawful development: Proposed use

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
  • 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: Barnet

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

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