Planning application
P/2026/2158
Building 3 Chiswick Park, 566 Chiswick High Road, Chiswick, London, W4 5YA
Proposal
Non material amendment to allow following changes to the roof level plant, the relocation of four external condenser units have been shifted approximately 2 to 3 metres northwards within the existing roof plant zone, the condensers remain on the eastern side of the building, set back from the roof edge and away from the nearest residential receptors and updates to the internal routing of the VRF refrigerant tray and the sub-mains LV ladder of planning permission P/2025/2431 dated 11/11/2025
As published by the council, reference P/2026/2158
Timeline
Dates from the published record
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23 Jul 2026
Received by Hounslow
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30 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 amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
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/2026/1810 Awaiting decision
51 Silver Crescent,Chiswick,W4 5SF
Certificate of lawfulness for the proposed erection of a rear roof extension with windows to the front of the house.
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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/2024/2530 Granted
566 Chiswick Park, Building 12,Chiswick High Road,Chiswick,London,Hounslow,W4 5AN
Installation of replacement mechanical plant with associated pipework and cabling to the four storey commercial building's flat roof.
Other amendments applications
In Hounslow
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P/2026/2214 Awaiting decision
157 Popes Lane, Ealing, W5 4ND
Non material amendment to allow the installation of an AC unit on the flat roof of the approved extension of planning permission P/2026/0815 approved 18/03/2026 for the erection of a single storey rear and side wrap around extension with the enlargement of a side and rear roof extension with one front roof window, and removal of side the front porch and chimney to the house..
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P/2026/2194 Awaiting decision
39 Bankside Close, Isleworth, TW7 7EW
Non material amendment to change the colour of the glazing in the approved extension to anthracite grey from white of planning permission P/2026/0274 approved 25/03/2026 for the erection of a single storey rear extension to the house
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P/2026/1999 Granted
Former Unit 9 and 10 Victory Business Centre, Fleming Way, Isleworth, TW7 6DB
Non material amendment to amend the wording of condition 29 to enable to the highway works to be completed within 6 months of the development first being occupied of planning permission P/2023/1686 approved 20/06/2024 for the redevelopment of Unit 9 and Unit 10 as a part four, part five story residential block Use Class C3) consisting of 33 flats with associated infrastructure and landscaping
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P/2026/2169 Awaiting decision
Euro House, 54-66 High Street, Hounslow, TW3 1NW
Non Material amendment to remove condition 4 of PA/2025/2038 approved for the prior approval for the erection of two storeys to create a fourth and fifth floor to provide 20 residential flats
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P/2026/2124 Awaiting decision
Former Chiswick Police Station, 205-211 Chiswick High Road, London, W4 2DU
Non material amendment to optimise the internal layouts for both residents and staff, to improve the buildability of the development, and to ensure compliance with current statutory requirements, technical standards and regulatory obligations of 00248/205-211/P1 (P/2023/1632) approved 31/05/2024