155 And 157 Sunny Gardens Road, London, NW4 1SG

25/1229/FULFull planning permissionApproved

Full

Approved on 16 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

Part single, part two storey side and rear extensions including conversion of the garage into habitable room, insertion of window to replace the garage door and new front porch. Alterations to existing front bay windows. Creation of basement levels with front lightwells and garden level rooms with associated stairs leading to garden level and patio. Roof extension including rear dormer windows side gable windows and 2no. front facing rooflights to both properties.

Submitted: 21 March 2025
Council: London Borough of Barnet

ReceivedSubmitted21 Mar
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided16 May

Decided in 56 days (council typically 56)

About this application

This is a planning application for a dormer extension at 155 And 157 Sunny Gardens Road London NW4 1SG. Barnet has handled 768 applications of this type. This one was decided in 56 days. There are no previous applications recorded at this address. In the past year there have been 72 applications across HD22. We hold 3,124 applications in total for the NW4 postcode area.

62% of full 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.Planning something similar? See what gets approved on your street

Application details

Postcode: NW4 1SG
Application type: Full planning permission

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.

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

5 other applications at this property, newest first.

Source: Barnet

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

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