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12 Prothero Gardens London NW4 3SL

25/0559/HSEHouseholder ApplicationApproved
Householder

Approved on 17 March 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

Conversion of the existing garage into habitable room. Single storey front extension incorporating new front porch (amended description)

Received
11 February 2025
Ward
Hendon
Agent
Dimensions- Planning&Architecture
  1. Received11 Feb
  2. Validated11 Feb
  3. Consult.13 Mar
  4. Target8 Apr
  5. Decided17 Mar

Decided in 34 days (council typically 56)

About this application

This is a full planning application for a front extension at 12 Prothero Gardens London NW4 3SL. Barnet has handled 4,516 applications of this type. This one was decided in 34 days, 3 weeks quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 145 applications across Hendon. We hold 3,124 applications in total for the NW4 postcode area.

77% of full 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 3SL
Application type
Householder Application
Scale / size
Small

Planning application dates

Date validated
11 February 2025
Consultation expiry
13 March 2025
Neighbour consultation start
20 February 2025
Neighbour consultation end
13 March 2025
Target decision date
8 April 2025

Applicant and agent

Agent
Dimensions- Planning&Architecture
Agent address
Unit 7 Hawthorn Business Park 165 Granville Road London NW2 2AZ

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13766312
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
  • 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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