Planning application
P/2026/1891
27 Parkwood Road, Isleworth, TW7 5HE
Proposal
Certificate of lawfulness for the proposed erection of a rear roof extension and a detached outbuilding at the rear garden.
As published by the council, reference P/2026/1891
Timeline
Dates from the published record
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25 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P/2026/1697 Withdrawn
27 Parkwood Road, Isleworth, TW7 5HE
Erection of a single storey rear and a single storey side extension
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P/2025/2500 Withdrawn
23 Downs View, Isleworth, TW7 5HF
Erection of a single storey ground floor side extension and part rear infill extension to the house. Following the demolition of the garage.
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P/2026/0918 Granted
68 Parkwood Road, Isleworth, TW7 5HD
Erection of a two storey side and two storey rear extension to create a lower ground floor incorporating the creation of rear decking at ground floor and lower ground floor and a new front porch
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PA/2024/3560 Granted
53 Hartham Road, Isleworth, TW7 5EY
Ground floor rear extension 6.00 metres deep, maximum height of 4.00 metres, 3.00 metres high to the eaves
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P/2021/2266 Granted
96 PARKWOOD ROAD, ISLEWORTH, TW7 5HD
Erection of a single storey side extension and front porch with conversion of garage into a habitable room of the house
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P/2025/2483 Withdrawn
32 Campion Road, Isleworth, TW7 5HS
Erection of two storey side and single storey rear extension and single storey extension and conversion of the garage into a habitable room 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.