5 Crooked Usage London N3 3HD
Proposal
Roof extension involving 2no rear dormer windows and 2no front and 2no side facing rooflights (1 to each side) and new side window
- Received
- 17 January 2020
- Decided
- 21 January 2020 · Lawful
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Finchley Church End
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.
- ReceivedSubmitted17 Jan
- ValidatedValidated20 Jan
- Consult.Consultation
- TargetTarget Date16 Mar
- DecidedDecided21 Jan
Decided in 1 day (council typically 49)
This is an outline application for a dormer extension at 5 Crooked Usage London N3 3HD. Barnet has handled 2,167 applications of this type and approves 74% of them, typically deciding them in 33 days. This one was decided in 4 days, 4 weeks quicker than Barnet's median. There have been 3 other applications at this address. In the past year there have been 156 applications across Finchley Church End. We hold 1,000 applications in total for the N3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Barnet
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning history at this site
3 other applications at this property, newest first.
- 202013 Mar
Single storey side and rear extension following demolition of existing garage
ApprovedHouseholder20/1393/HSE - 201923 Dec
Single storey rear extension. Extension of rear patio area with new access steps. Removal of chimney…
ApprovedHouseholder19/6764/HSE - 201911 Dec
Single storey rear extension with new patio area. Roof extension involving rear dormer window, 2no front and…
RefusedProposed Lawful Development Certificate19/6565/192
Planning constraints
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 2026-10-09. 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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