3 Grenville Close London N3 1UF
Approved on 28 March 2026
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
First floor side extension
- Received
- 30 December 2025
- Council
- London Borough of Barnet
- Ward
- Finchley Church End
- Agent
- Tekton DPW Limited
- ReceivedReceived30 Dec
- ValidatedValidated7 Jan
- Consult.Consultation
- TargetTarget Date4 Mar
- DecidedDecided28 Mar
Decided in 80 days (council typically 56)
About this application
This is a full planning application for a side extension at 3 Grenville Close London N3 1UF. Barnet has handled 4,516 applications of this type. This one was decided in 88 days, 5 weeks longer than Barnet's typical decision time. There has been 1 other application at this address. In the past year there have been 144 applications across Finchley Church End. We hold 1,016 applications in total for the N3 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
- N3 1UF
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 7 January 2026
- Consultation expiry
- 5 February 2026
- Target decision date
- 4 March 2026
Applicant and agent
- Agent
- Tekton DPW Limited
- Architect profile
- TEKTON DPW LIMITED
- Agent address
- 12 Station Road London W7 3JE
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice start
- 15 January 2026
- Site notice end
- 5 February 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.
Associated applications
- 202617 Apr
Non-material amendments to planning permission reference 26/0029/HSE
ApprovedNon-material amendmentAmendment26/1436/NMA - 202530 Dec
First floor side extension
This applicationApprovedFull26/0029/HSE
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
- 3 Grenville Close London N3 1UF26/1436/NMA · AmendmentApproved0.0 mi
- 7 Grass Park London N3 1UB25/2015/HSE · FullApproved0.0 mi
- 19 Hendon Avenue London N3 1UJ26/1060/192 · OutlineRefused0.1 mi
- 19 Hendon Avenue London N3 1UJ25/2680/192 · OutlineRefused0.1 mi
- 19 Hendon Avenue London N3 1UJ26/2094/192 · OutlineRefused0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman5.9 mi
- Orient Construction Consultancy LimitedVerifiedLondon6.7 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing6.8 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions8.7 mi
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