49 Michleham Down London N12 7JJ
Approved on 21 July 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
Roof extension involving rear dormer window with juliette balcony, 4no. front facing rooflights and new side gable window
- Received
- 26 May 2026
- Council
- London Borough of Barnet
- Ward
- Totteridge & Woodside
- Agent
- William Tozer Associates
- ReceivedReceived26 May
- ValidatedValidated26 May
- Consult.Consultation
- TargetTarget Date21 Jul
- DecidedDecided21 Jul
Decided in 56 days (council typically 56)
About this application
This is an outline application for a dormer extension at 49 Michleham Down London N12 7JJ. Barnet has handled 2,167 applications of this type. This one was decided in 56 days. There has been 1 other application at this address. In the past year there have been 139 applications across Totteridge & Woodside. We hold 796 applications in total for the N12 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
- N12 7JJ
- Application type
- Proposed Lawful Development Certificate
- Scale / size
- Small
Planning application dates
- Date validated
- 26 May 2026
- Target decision date
- 21 July 2026
Applicant and agent
- Agent
- William Tozer Associates
- Architect profile
- WILLIAM TOZER ASSOCIATES LIMITED
- Agent address
- Unit 311 The Record Hall 16-16A Baldwins Gardens London EC1N 7RJ
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
- Green belt: BarnetNext to the site
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)
flood storage areas, conservation areas, listed buildings, tree preservation orders, 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
- 202626 May
Single storey rear extension. Changes to fenestration
ApprovedHouseholderFiled alongside26/1953/HSE - 202626 May
Roof extension involving rear dormer window with juliette balcony, 4no. front facing rooflights and new side…
This applicationApprovedOutline26/1956/192
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
Nearby applications
- 49 Michleham Down London N12 7JJ26/1953/HSE · FullApproved0.0 mi
- 55 Michleham Down London N12 7JJ23/3569/192 · OutlineApproved0.0 mi
- 53 Michleham Down London N12 7JJ23/5519/HSE · FullApproved0.0 mi
- 33 Michleham Down London N12 7JJ25/1230/HSE · FullApproved0.0 mi
- Land At Northiam And Side Of 1 Shortgate Woodside Park N12 7JP25/4362/LICApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman7.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon7.4 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing8.1 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions8.7 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.