4 Finchley Park London N12 9JN
Refused on 23 January 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
Change of use from a single dwellinghouse (Use Class C3) to a 5 bed HMO (House in Multiple Occupation (Use Class C4) for 5 people including single storey rear infill extension, first floor rear extension, single storey front porch extension, roof extension involving rear dormer window with front facing rooflights and erection of a rear outbuilding. Associated refuse/recycling and cycle storage
- Received
- 28 November 2025
- Public comments
- 1
- Council
- London Borough of Barnet
- Ward
- Woodhouse
- Agent
- Henry Planning Ltd
- ReceivedReceived28 Nov
- ValidatedValidated28 Nov
- Consult.Consultation
- TargetTarget Date23 Jan
- DecidedDecided23 Jan
Decided in 56 days (council typically 56)
About this application
This is a full planning application for a dormer extension at 4 Finchley Park London N12 9JN. Barnet has handled 4,516 applications of this type. This one was decided in 56 days. There have been 3 other applications at this address. In the past year there have been 70 applications across Woodhouse. We hold 795 applications in total for the N12 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
- N12 9JN
- Application type
- Full Application
- Scale / size
- Small
Planning application dates
- Date validated
- 28 November 2025
- Consultation expiry
- 25 December 2025
- Target decision date
- 23 January 2026
Applicant and agent
- Agent
- Henry Planning Ltd
- Agent address
- 163 Church Hill Road East Barnet EN4 8PQ
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice start
- 4 December 2025
- Site notice end
- 25 December 2025
Appeal history
Additional information
- Planning Portal ID
- PP-14525521
- Documents
- 10
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
3 other applications at this property, newest first.
- 202522 Jan
Erection of a rear outbuilding following removal of the existing decking
ApprovedProposed Lawful Development Certificate25/0216/192 - 202417 Oct
Single storey infill rear extension and part first floor rear extension. Single storey front porch extension
ApprovedHouseholder24/4109/HSE - 20232 Mar
Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation to a…
RefusedRetention/Continued Use23/0898/RCU
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
- 4 Finchley Park London N12 9JN25/0216/192 · OutlineApproved0.0 mi
- 4 Finchley Park London N12 9JN24/4109/HSE · FullApproved0.0 mi
- 4 Finchley Park London N12 9JN23/0898/RCU · AmendmentRefused0.0 mi
- 946A High Road London N12 9RT23/0899/FUL · FullRefused0.0 mi
- 938A High Road London N12 9RT25/3077/FUL · FullRefused0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Orient Construction Consultancy LimitedVerifiedLondon6.8 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman6.9 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions7.8 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing7.9 mi
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