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Planning application

21 St Johns Avenue, London, NW10 4ED

Granted Brent 25/2385 Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer Domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness for proposed loft conversion and rear dormer extension to the outrigger, juliet balcony and 3x front rooflights to dwellinghouse.

As published by the council, reference 25/2385

Application record

Reference
25/2385
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Certificate of Lawfulness - Granted
Received
18 Aug 2025
Validated
6 Oct 2025
Decided
8 Dec 2025
Ward
Harlesden & Kensal Green
Decision by
Delegated Team Manager
Postcode
NW10 4ED

Timeline

Dates from the published record

  1. 18 Aug 2025

    Received by Brent

  2. 6 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 8 Dec 2025

    Decision issued: Certificate of Lawfulness - Granted

  4. 11 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

7 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Brent granted permission on 8 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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Within 500 metres

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In Brent

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