1515 High Road London N20 9PJ
Approved on 4 December 2025
Council decision: Prior Approval Not RequiredDelegated (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 L-shaped rear extension with proposed depths of 3.0 metres and 4.85 metres, maximum height of 3.0 metres and eaves height of 2.90 metres, following demolition of existing conservatory and garage.
- Received
- 29 October 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Barnet Vale
- Agent
- CASA Architecture + Design
- ReceivedReceived29 Oct
- ValidatedValidated30 Oct
- Consult.Consultation22 Nov
- TargetTarget Date11 Dec
- DecidedDecided4 Dec
Decided in 35 days (council typically 56)
About this application
This is an outline application for demolition at 1515 High Road London N20 9PJ. Barnet has handled 2,167 applications of this type. This one was decided in 36 days, 3 weeks quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 71 applications across Barnet Vale. We hold 929 applications in total for the N20 postcode area.
75% of outline 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
- N20 9PJ
- Application type
- Prior Notification (Householder)
- Scale / size
- Small
Planning application dates
- Date validated
- 30 October 2025
- Consultation expiry
- 22 November 2025
- Neighbour consultation start
- 30 October 2025
- Neighbour consultation end
- 22 November 2025
- Target decision date
- 11 December 2025
Applicant and agent
- Agent
- CASA Architecture + Design
- Architect profile
- CASA ARCHITECTURE + DESIGN LTD
- Agent address
- 13 Hyde Park Gardens London N21 2PN
Planning decision
- Statutory period
- 42 days
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.
Planning history at this site
2 other applications at this property, newest first.
- 20265 Nov
Single storey rear extension with a proposed depth of 4.90 metres, maximum height of 3.20 metres and eaves…
PendingPrior Approval26/3921/PNH - 202510 Dec
Single storey rear extension with 1no. rooflight and new patio area following demolition of existing…
ApprovedLawful development: Proposed use25/4919/192
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
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Orient Construction Consultancy LimitedVerifiedLondon7.9 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman8.1 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions8.5 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing9.1 mi
Planning something similar?
See what the council approved and refused for wrap-around (side and rear) extensions on your street. Pick your home and get the evidence before you pay for drawings.