Planning application
P/2026/1810
51 Silver Crescent,Chiswick,W4 5SF
Proposal
Certificate of lawfulness for the proposed erection of a rear roof extension with windows to the front of the house.
As published by the council, reference P/2026/1810
Timeline
Dates from the published record
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17 Jun 2026
Received by Hounslow
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26 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Hounslow for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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/2026/1819 Awaiting decision
51 Silver Crescent,Chiswick,W4 5SF
Erection of a part single storey and part first floor rear and side extension.
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P/2026/1772 Granted
35 Silver Crescent,Chiswick,London,W4 5SF
Works to tree in a Conservation Area. T1 Sycamore. Rear garden. Crown reduce by removing up to 2.5 metres of regrowth.
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P/2026/1756 Withdrawn
33 Silver Crescent, Chiswick, London, W4 5SF
Works to Sycamore (T1) in rear garden within a conservation area. - Crown reduce removing up to 2.5m.
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P/2024/3429 Granted
27 Silver Crescent, Chiswick, London, W4 5SF
Works to a tree in a Conservation Area: Sycamore - Fell to ground level.
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P/2021/2597 Granted
45 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SB
Bay (T1) - Reduce crown by 2.5 metres all around, or to the last points of reduction, and shape.
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P/2024/2586 Granted
59 Thorney Hedge Road,Chiswick,London,Hounslow,W4 5SB
Variation of Condition 2 (Implementation - Approved Plans) to install one ground floor side window to the ground floor flat of Planning Permission P/2023/3211 approved 22/12/2023 for the 'Erection of a single storey rear extension'.
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.
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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.
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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.