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Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.

20 Forty Avenue, Wembley, HA9 8JP

DecidedReference: 26/0589London Borough of Brent

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application Received Date

    Published milestoneCouncil source

  2. Application Validated Date

    Published milestoneCouncil source

  3. Decision Issued Date

    Published milestoneCouncil source

Application summary

Status
Decided
Application type
Certificate of Lawfulness - Proposed
Received
9 Mar 2026
Validated
9 Mar 2026
Determination deadline
Not published
Local authority
London Borough of Brent

Application overview

Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.

Proposal details

Reference
26/0589
Alternative references
PP-14758624
Ward
Preston
Agent
Better Building Design Ltd.

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Application location

20 Forty Avenue, Wembley, HA9 8JP

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Documents 14 of 14

DocumentPublishedAction
Final delegated reportReport · PDF29 Apr 2026View
Final decision noticeDecision (Public) · PDF29 Apr 2026View
Location and block planRefused Drawing Plans · PDF9 Mar 2026View
Proposed block planRefused Drawing Plans · PDF9 Mar 2026View
Existing floor plansRefused Drawing Plans · PDF9 Mar 2026View
Proposed floor plansRefused Drawing Plans · PDF9 Mar 2026View
Existing and proposed loft planRefused Drawing Plans · PDF9 Mar 2026View
Existing and proposed roof planRefused Drawing Plans · PDF9 Mar 2026View
Existing and proposed front and rear elevationsRefused Drawing Plans · PDF9 Mar 2026View
Existing and proposed gable side elevationRefused Drawing Plans · PDF9 Mar 2026View
Existing and proposed side elevation (view from no.22)Refused Drawing Plans · PDF9 Mar 2026View
Existing and proposed section a & bRefused Drawing Plans · PDF9 Mar 2026View
Cover letter and site photosRefused Documents · PDF9 Mar 2026View
Application form redactedApplication Form (Public) · PDF9 Mar 2026View

Documents open on the council website. Browse council documents if a link has changed.

Decision & conditions

Certificate of Lawfulness - Refused
Final decision notice
Planning conditions

Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.

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