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Barnet Lane, Totteridge, N20 8AL

25/1692/HSEHouseholder planning permissionApproved
Householder

Approved on 15 July 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

Infill side extension between garage and existing two storey side extension. Conversion of garage into habitable space. Installation of 2no. dormer windows to front elevation. Enclosure of existing front porch. Re-tiling of existing roof.

Submitted
22 April 2025
  1. Received22 Apr
  2. Validated
  3. Consult.
  4. Target
  5. Decided15 Jul

Decided in 84 days (council typically 56)

About this application

This is a planning application for a two storey side extension at Barnet Lane, Totteridge, N20 8AL. Barnet has handled 1,187 applications of this type. This one was decided in 84 days, 4 weeks longer than Barnet's typical decision time. The site is in the Totteridge conservation area, with 2 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 76 applications across TW22. We hold 929 applications in total for the N20 postcode area.

82% of householder planning permission 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
N20 8AL
Application type
Householder planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Totteridge
  • Article 4 direction: Article 4 for Totteridge CA Area 2+1 more
  • Tree Preservation Order: Ref TRE/BA/50Protected tree on or next to this site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, listed buildings, 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

  1. 2025
    22 Apr

    Infill side extension between garage and existing two storey side extension. Conversion of garage into…

    This applicationApprovedHouseholder25/1692/HSE
  2. 2025
    16 Apr

    1 x Ash (applicants ref. T1) - Cut down to ground level. Standing in T1 of Tree Preservation Order. 1 x Ash…

    ApprovedAll OtherFiled alongsideTPP/0204/25

Source: Barnet

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

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