Planning application
P/2026/2006
98 Devonshire Road,Chiswick,W4 2HS
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/2026/2006
Timeline
Dates from the published record
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7 Jul 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/2026/1412 Refused
98 Devonshire Road, Chiswick, London, W4 2HS
Erection of a rear roof extension and rear outrigger extension, including a hip-to-gable roof alteration and installation of two front roof windows to the house.
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P/2026/2199 Awaiting decision
Garage blocks at Manor Gardens, Devonshire Road, Chiswick, London
Variation of conditions 2 (approved plans) and 4 (construction logistics plan) to allow amendments to site and building layout including external staircase on Block A, integrated staircase on Block B, location of cycle and refuse storage and increase to communal amenity. of planning permission 00354/C/P1 (P/2021/2466) approved 17/12/2021 for the erection of two blocks of flats consisting of a part one part three storey and a three storey building to create six flats including associated cycle storage, landscaping, refuse and recycling storage with the retention of existing electrical substation following the demolition of the existing garages.
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P/2021/2234 Granted
2 BAKERS YARD OAK LOCK MEWS FRASER STREET, CHISWICK, LONDON, W4 2DS
Variation of conditions 2 (approved plans) and 6 (windows) and removal of condition 7 (obscure glazing) to allow retrospectively for changes to the first floor windows facing Oak Lock Mews, of 02901/C2/P1 approved 09/02/2016 for erection of a two storey house following the demolition of the existing single storey office building.
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P/2021/2429 Granted
80 DALE STREET, CHISWICK, LONDON, W4 2BZ
Erection of a single storey rear infill extension.
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P/2023/0401 Refused
17 BRACKLEY TERRACE, CHISWICK, LONDON, W4 2HJ
Certificate of Lawfulness for erection of a single storey rear extension to the house.
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P/2026/2179 Awaiting decision
12 Brackley Terrace,Chiswick,W4 2HJ
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.