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47 Horsham Avenue London N12 9BG

25/1766/192Proposed Lawful Development CertificateRefused
Outline / PiP

Refused on 23 May 2025

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 rear dormer window with juliette balcony and 2no. rooflights to front roofslope. Single storey rear extension with 1no. flat rooflight

Received
25 April 2025
Ward
Woodhouse
Agent
Studio 316
  1. Received25 Apr
  2. Validated28 Apr
  3. Consult.
  4. Target23 Jun
  5. Decided23 May

Decided in 25 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 47 Horsham Avenue London N12 9BG. Barnet has handled 2,167 applications of this type. This one was decided in 28 days, 4 weeks quicker than Barnet's typical decision time. There are no previous applications recorded 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.

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.See what's approved near your address

Application details

Postcode
N12 9BG
Application type
Proposed Lawful Development Certificate
Scale / size
Small

Planning application dates

Date validated
28 April 2025
Target decision date
23 June 2025

Applicant and agent

Agent
Studio 316
Agent address
Screenworks 22 Highbury Grove Islington N5 2EF

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13972659
Comments
0
Documents
11

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
  • 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.

Source: Barnet

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

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