51 Highfield Avenue London NW11 9EU
Approved on 25 June 2026
14 conditions
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
Sub-division of the existing dwelling into 3no. self-contained flats including part single, part two storey rear extension and roof extension involving hip to end gable and rear dormer window and 2no. front facing rooflights. Associated refuse/recycling, cycle storage and amenity space
- Received
- 11 July 2025
- Council
- London Borough of Barnet
- Ward
- Golders Green
- Agent
- Dimensions- Planning&Architecture
- ReceivedReceived11 Jul
- ValidatedValidated11 Jul
- Consult.Consultation13 Aug
- TargetTarget Date5 Sep
- DecidedDecided25 Jun
Decided in 349 days (council typically 56)
About this application
This is a full planning application for a two storey rear extension at 51 Highfield Avenue London NW11 9EU. Barnet has handled 4,516 applications of this type. This one was decided in 349 days, 42 weeks longer than Barnet's typical decision time. There have been 2 other applications at this address. In the past year there have been 64 applications across Golders Green. We hold 1,887 applications in total for the NW11 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.See what's approved near your address
Application details
- Postcode
- NW11 9EU
- Application type
- Full Application
- Scale / size
- Small
Planning application dates
- Date validated
- 11 July 2025
- Consultation expiry
- 14 August 2025
- Neighbour consultation start
- 16 July 2025
- Neighbour consultation end
- 13 August 2025
- Target decision date
- 5 September 2025
Applicant and agent
- Agent
- Dimensions- Planning&Architecture
- Agent address
- Unit 7 Hawthorn Business Park 165 Granville Road London NW2 2AZ
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice start
- 24 July 2025
- Site notice end
- 14 August 2025
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.
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
- 51 Highfield Avenue London NW11 9EU25/1786/HSE · FullApproved0.0 mi
- 51 Highfield Avenue London NW11 9EU25/1783/192 · OutlineApproved0.0 mi
- 73 Highfield Gardens London NW11 9HA23/5525/HSE · FullRefused0.0 mi
- 73 Highfield Gardens London NW11 9HA23/4475/192 · OutlineApproved0.0 mi
- 48 Highfield Avenue London NW11 9UD26/0045/PNH · OutlineAwaiting decision0.1 mi
For applicants and trades
For the applicant
Need an air quality assessment? Air quality consultants near this site
Conditions 7 and 8 on the decision ask for this.
- 7.2 miLondon
- 7.2 miLondon
- 7.3 miLondon
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman4.8 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing5.6 mi
- Orient Construction Consultancy LimitedVerifiedLondon6.3 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions9.0 mi
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