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55 Michleham Down London N12 7JJ

23/3569/192Proposed Lawful Development CertificateApproved
Outline / PiP

Approved on 22 August 2023

Council decision: LawfulDelegated (officer decision)

Approximate site (title boundary)
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 including hip to gable, rear dormer window with juliette balcony, 3 no. rooflights to front roof slope and side gable window

Received
16 August 2023
Decision level
Delegated (officer decision)
Ward
Totteridge & Woodside
Agent
GT Associates
  1. Received16 Aug
  2. Validated17 Aug
  3. Consult.
  4. Target12 Oct
  5. Decided22 Aug

Decided in 5 days (council typically 56)

About this application

This is an outline application for a dormer extension at 55 Michleham Down London N12 7JJ. Barnet has handled 2,167 applications of this type. This one was decided in 6 days, 7 weeks quicker than Barnet's typical decision time. There are no previous applications recorded 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
17 August 2023
Target decision date
12 October 2023

Applicant and agent

Agent
GT Associates
Agent address
49 Cedar Rise London N14 5NJ

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12393174
Comments
0
Documents
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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.

Source: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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