9 Osidge Lane London N14 5JD
Approved on 5 May 2026
Council decision: Approve subject to conditionsDelegated (officer decision)
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
Single storey rear extension. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
- Received
- 13 March 2026
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Brunswick Park
- ReceivedReceived13 Mar
- ValidatedValidated13 Mar
- Consult.Consultation
- TargetTarget Date8 May
- DecidedDecided5 May
Decided in 53 days (council typically 56)
About this application
This is a full planning application for a single storey rear extension at 9 Osidge Lane London N14 5JD. Barnet has handled 4,516 applications of this type. This one was decided in 53 days, 3 days quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 57 applications across Brunswick Park. We hold 945 applications in total for the N14 postcode area.
77% of full 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.Planning something similar? See what gets approved on your street
Application details
- Postcode
- N14 5JD
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 13 March 2026
- Consultation expiry
- 9 April 2026
- Target decision date
- 8 May 2026
Applicant and agent
- Agent address
- 39 Wellesley Crescent Potters Bar EN6 2DQ
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice start
- 19 March 2026
- Site notice end
- 9 April 2026
Site 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 2026-11-03. 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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Around this site
Nearby applications
- 1 Osidge Lane London N14 5JD25/2978/HSE · FullApproved0.0 mi
- 181 Chase Side London N14 5HE23/1861/192 · OutlineRefused0.0 mi
- 5 Manor Drive London N14 5JH25/0663/HSE · FullApproved0.1 mi
- Sir Thomas Lipton Memorial Hospital, Osidge, 151 Chase Side, London, N14 5HE22/04310/OAApproved0.1 mi
- Fomer Sir Thomas Lipton Memorial Hospital Osidge 151 Chase Side Southgate N14 5HETPP/0596/23 · TreesApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Orient Construction Consultancy LimitedVerifiedLondon6.8 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions6.8 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman7.7 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing8.8 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.