Planning application
P/2024/3253
26 Cardington Square, Hounslow, TW4 6AH
Proposal
Certificate of Lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows to the house.
As published by the council, reference P/2024/3253
Timeline
Dates from the published record
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28 Sep 2024
Received by Hounslow
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20 Nov 2024
Decision issued: GRANT
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3 Aug 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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P/2026/1410 Awaiting decision
18 Cardington Square, Hounslow, TW4 6AH
Erection of rear roof extension with two front roof windows, and a two storey side and single storey rear extension to the house. Following the demolition of the garage.
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P/2021/2604 Granted
17 LAUREL GARDENS, HOUNSLOW, TW4 6AQ
Certificate of Lawfulness for proposed erection of a rear roof extension incorporating two front roof windows and one roof window to the roof of the proposed extension to the house
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PA/2026/2162 Awaiting decision
50 Corporation Avenue, Hounslow, TW4 6AZ
Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 3.00 metres high to the eaves.
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P/2021/2035 Refused
46 CORPORATION AVENUE, HOUNSLOW, TW4 6AZ
Erection of detached single storey outbuilding to the rear of the house
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P/2025/0227 Withdrawn
146 Cardington Square, Hounslow, TW4 6AL
Erection of a front porch extension compromising of a cabin vehicle.
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P/2024/2857 Refused
53 Barrack Road, Hounslow, TW4 6AN
Erection of a single storey rear extension to the house.
Other lawful development applications
In Hounslow
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P/2026/2219 Awaiting decision
Great West House,993 Great West Road,Brentford,TW8 9DF
Certificate of lawfulness for the installation of two electricity substations.
-
P/2026/1626 Granted
2 Oak Avenue, Hounslow, TW5 9EB
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and the addition of one front roof light.
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P/2026/2168 Awaiting decision
49 Durham Road, Feltham, TW14 0AG
Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.
-
P/2026/1448 Granted
13 Orchard Avenue, Hounslow, TW5 0DU
Certificate of lawfulness for the proposed erection of a rear roof extension with a hip to gable conversion to the house.
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P/2026/1682 Granted
133 Swan Road, Feltham, TW13 6LT
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.