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117 Lyon Park Avenue, Wembley, HA0 4DZ

25/3592Certificate of Lawfulness - ProposedApproved
Outline / PiP

Approved on 11 February 2026

Council decision: Certificate of Lawfulness - GrantedDelegated (officer decision)

Proposal

Certificate of lawfulness for proposed hip to gable extension, rear dormer window with juliet balcony and 3x front rooflights, installation of window to first floor rear elevation and removal of chimney stack to the dwellinghouse.

Received
24 December 2025
Decision level
Delegated (officer decision)
Ward
Wembley Central
Agent
Vdesigncad Services
  1. Received24 Dec
  2. Validated24 Dec
  3. Consult.18 Feb
  4. Target
  5. Decided11 Feb

Decided in 49 days (council typically 56)

About this application

This is an outline application for a dormer extension at 117 Lyon Park Avenue, Wembley, HA0 4DZ. Brent has handled 1,485 applications of this type. This one was decided in 49 days, 7 days quicker 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 108 applications across Wembley Central. We hold 2,303 applications in total for the HA0 postcode area.

75% of outline 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

Application details

Postcode
HA0 4DZ
Application type
Certificate of Lawfulness - Proposed
Scale / size
Small

Planning application dates

Date validated
24 December 2025
Last date for comments
18 February 2026

Applicant and agent

Agent
Vdesigncad Services
Agent address
62 Station Approach, South Ruislip, HA4 6SA

Additional information

Planning Portal ID
PP-14589265
Comments
0
Documents
5
Constraints
1

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 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.

Associated applications

  1. 2025
    24 Dec

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall…

    ApprovedHouseholderFiled alongside25/3589
  2. 2025
    24 Dec

    Certificate of lawfulness for proposed hip to gable extension, rear dormer window with juliet balcony and 3x…

    This applicationApprovedOutline25/3592

Source: Brent

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

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