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35 Derwent Gardens, Wembley, HA9 8SG

26/0210HouseholderRefused

Refused on 23 July 2026

Council decision: Permission RefusedDelegated (officer decision)1 reason for refusal

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

Retention of hip to gable-end roof extension, rear dormer with 3x front rooflights, first-floor side extension, single-storey rear extension, alterations to roof of front porch and ground-floor side extension to dwellinghouse with storage room in rear garden

Received
30 January 2026
Decision level
Delegated (officer decision)
Ward
Preston
Agent
Detail Design Development Ltd
  1. Received30 Jan
  2. Validated28 May
  3. Consult.18 Jun
  4. Target
  5. Decided23 Jul

Decided in 56 days (council typically 56)

About this application

This is a full planning application for a single storey rear extension at 35 Derwent Gardens, Wembley, HA9 8SG. Brent has handled 4,396 applications of this type. This one was decided in 174 days, 17 weeks longer than Brent's typical decision time. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 81 applications across Preston. We hold 1,977 applications in total for the HA9 postcode area.

77% of full applications at London Borough of Brent 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

Why it was refused

  1. The development, by reason of the mismatch between the gable-ended roof of the main dwellinghouse and the hipped roof form of the first-floor side extension, results in a disjointed and poorly integrated roof design that fails to respect the architectural composition, character and appearance of the host dwelling. The conflicting roof forms create an incongruous and visually discordant appearance that detracts from the overall design quality of the building and causes harm to the character and appearance of the surrounding street scene. As such, the development is contrary to Policies DMP1 and BD1 of the Brent Local Plan 2019–2041 and the guidance contained within the Residential Extensions and Alterations Supplementary Planning Document (2025).

From the council's decision notice.

Application details

Postcode
HA9 8SG
Application type
Householder
Scale / size
Small

Planning application dates

Date validated
28 May 2026
Consultation expiry
18 June 2026
Neighbour consultation end
18 June 2026
Last date for comments
23 July 2026

Applicant and agent

Agent
Detail Design Development Ltd
Agent address
41 Canfield Road, Woodford Green, IG8 8JL

Additional information

Planning Portal ID
PP-14664579
Comments
0
Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 for HMOs
  • 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: Brent

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

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