Planning application
21 St Johns Avenue, London, NW10 4ED
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
-
18 Aug 2025
Received by Brent
-
6 Oct 2025
Validated
Checked as complete and ready for consideration.
-
8 Dec 2025
Decision issued: Certificate of Lawfulness - Granted
-
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 documentsWhat 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.
Nearby applications
Within 500 metres
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82 Burns Road, London, NW10 4DY
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Conversion of single dwelling house into 2x self-contained flats with demolition of rear sheds and proposed single storey side infill extension, rear dormer window with 3x front rooflights, concealed terrace outrigger and cycle and refuse storage spaces.
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Refused Full applications New dwelling 3 docsDomestic -
46A St Johns Avenue, London, NW10 4EE
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Awaiting decision ExtensionSmall domestic -
2 St Johns Avenue, London, NW10 4EE
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Granted Full applications New dwelling Windows or glazing 16 docs
Other lawful development applications
In Brent
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26/0783 Granted
3 Hamilton Road, London, NW10 1NU
Certificate of lawfulness for existing single-storey rear extension to dwellinghouse
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26/1946 Awaiting decision
120 Gladstone Park Gardens, London, NW2 6RL
Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.
-
26/1208 Granted
50 Ballogie Avenue, London, NW10 1TA
Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse
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26/1015 Refused
5 Midholm, Wembley, HA9 9LJ
Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.
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26/1176 Refused
47 Barn Rise, Wembley, HA9 9NH
Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.