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15, Well Grove, Whetstone, N20 9BN

25/3793/HSEHouseholder planning permissionRefused
Householder

Refused on 22 October 2025

Proposal

Single storey rear extension with rooflight. Roof extension including rear dormer window and 2no. front facing rooflights

Submitted
18 September 2025
  1. Received18 Sep
  2. Validated
  3. Consult.
  4. Target
  5. Decided22 Oct

Decided in 34 days (council typically 56)

About this application

This is a planning application for a single storey rear extension at 15, Well Grove, Whetstone, N20 9BN. Barnet has handled 1,187 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 62 applications across WS22. 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 9BN
Application type
Householder planning permission

Appeal history

6002171
Split Decision
Type: Householder (HAS)Procedure: Written RepresentationsDecision: 23 February 2026Dev Type: Householder developmentsReason: refused

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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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