122 Longstone Avenue, London, NW10 3UD
Proposal
Certificate of lawfulness for proposed hip to gable end extension, addition of rear dormer and 4 rooflights to front roof slope of dwellinghouse.
- Received
- 18 December 2017
- Decided
- 25 January 2018 · Certificate of Lawfulness - Granted
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Brent
- Ward
- Harlesden
- ReceivedSubmitted18 Dec
- ValidatedValidated18 Dec
- Consult.Consultation12 Feb
- TargetTarget Date
- DecidedDecided25 Jan
Decided in 38 days (council typically 56)
This is an outline application for a dormer extension at 122 Longstone Avenue, London, NW10 3UD. Brent has handled 1,509 applications of this type and approves 74% of them, typically deciding them in 49 days. This one was decided in 38 days, 11 days quicker than Brent's median. The site is in a conservation area. There are no previous applications recorded at this address. We hold 3,299 applications in total for the NW10 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Brent
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning constraints
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 2026-10-09. 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.
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