Planning application
P/2026/1845
38 Park Road,Chiswick,W4 3HH
Proposal
Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.
As published by the council, reference P/2026/1845
Timeline
Dates from the published record
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22 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/2021/2341 Granted
50 PARK ROAD, CHISWICK, LONDON, W4 3HH
Erection of a single storey front / side infill extension to the house
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P/2025/2513 Withdrawn
5, Chara Place Milnthorpe Road, Chiswick, London, W4 3DN
Work to a tree within conservation area Beech tree.to crown lift and thin
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P/2026/1953 Awaiting decision
56 Park Road, Chiswick, London, W4 3HH
Works to trees in a Conservation Area T1 Cordaline fell, T2 Trachycarpus fell, T3 Birch crown reduction to 3m above ground level, T4 Mimosa whole crown reduction to 4-5m from ground level, T5 Fatsia fell, T6 Trachycarpus fell, T7 Cordaline fell, T8 and T9 Trachycarpus fell
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P/2026/1564 Granted
56 Park Road, Chiswick, London, W4 3HH
Replacement of all the windows and doors with new double glazed windows and doors to the house.
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P/2025/2554 Withdrawn
1 Milnthorpe Road, Chiswick, London, W4 3DX
Work to Oak Tree within conservation area - shorten lowest lateral branch overhanging neighbour's shed.
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P/2021/1974 Granted
5 CHESTERFIELD ROAD, CHISWICK, LONDON, W4 3HG
Erection of a single storey side and rear extension, side roof extension and rear roof extension with ten roof windows 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.
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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.