Planning application
26/0947
25 Thirlmere Gardens, Wembley, HA9 8RH
Proposal
Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.
As published by the council, reference 26/0947
Timeline
Dates from the published record
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15 Apr 2026
Received by Brent
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21 Apr 2026
Validated
Checked as complete and ready for consideration.
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12 Jun 2026
Decision issued: Certificate of Lawfulness - Granted
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25 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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20/2955 Refused
14 Thirlmere Gardens, Wembley, HA9 8RE
Certificate of lawfulness for proposed hip to gable loft conversion, rear dormer with juliet balcony and installation of 3 x front facing rooflights; single storey rear extension and single storey outbuildinig in rear garden of dwellinghouse.
-
20/2346 Granted
14 Thirlmere Gardens, Wembley, HA9 8RE
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.15m Eaves height - 3m
-
24/2090 Granted
30 Arnside Gardens, Wembley, HA9 8TJ
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m
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21/0004 Refused
107 Grasmere Avenue, Wembley, HA9 8TG
Retrospective application for existing single storey rear extension to dwellinghouse
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26/1242 Granted
59 College Road, Wembley, HA9 8RN
Proposed conversion of single dwellinghouse into 4x bedroom, 4x person HMO with refuse and cycle storage spaces, associated landscaping to front and rear gardens and installation of boundary fence and gate to the front forecourt.
-
26/0793 Granted
34 Ambleside Gardens, Wembley, HA9 8TL
Proposed garage conversion with associated alterations to its front-facing fenestration, erection of single storey rear extension and part first floor rear extension to dwellinghouse
Other lawful development applications
In Brent
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26/1465 Granted
8 Roe Green, London, NW9 0NY
Certificate of lawfulness for proposed hip to gable extension and rear dormer window with 3x front rooflights to the dwellinghouse.
-
26/1370 Granted
45 Holmstall Avenue, Edgware, HA8 5JQ
Certificate of lawfulness for proposed use of dwellinghouse as a childrens' residential home
-
26/1260 Granted
18 Hartland Road, London, NW6 6BJ
Certificate of lawfulness for proposed air source heat pump to rear of dwellinghouse
-
26/1901 Awaiting decision
176 Bridgewater Road, Wembley, HA0 1AR
Certificate of lawfulness for proposed single-storey rear extension, rear dromer extension and 2x front rooflights to dwellinghouse.
-
26/1353 Granted
4 Hardinge Road, London, NW10 3PJ
Certificate of lawfulness for proposed conversion of existing garage into a habitable room with replacement of garage door with window to side elevation and removal of ground floor side window of the dwellinghouse