Planning application
155 Chiswick High Road,London,W4 2DT
Works: New dwelling Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Non material amendment to incorporate relocation of plant room and creation of a new access door, detailing to the East Elevation, rooflights size adjustments and reconstruction of chimneys following permission P/2024/2338 dated 17/01/2025 for Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.
As published by the council, reference P/2026/0637
Application record
- Reference
- P/2026/0637
- Type
- Non-Material Minor Amendment to an existing Planning Application
- Status
- Granted As published: Decided: NMA APPROVED
- Decision
- Granted As published: NMA APPROVED
- Received
- 24 Feb 2026
- Validated
- 24 Feb 2026
- Decided
- 31 Mar 2026
- Ward
- Chiswick Homefields
- Postcode
- W4 2DT
Site history
Applications at this address on the Hounslow register
This site has had 2 applications since 2024: 2 approved, 0 refused.
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P/2024/2338 Granted
155 Chiswick High Road,London,W4 2DT
Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.
Timeline
Dates from the published record
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24 Feb 2026
Received by Hounslow
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31 Mar 2026
Decision issued: NMA APPROVED
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12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Hounslow granted permission on 31 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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155 Chiswick High Road,Chiswick,W4 2DT
Details of Construction Logistics Plan submitted pursuant to condition 7 of planning permission P/2024/2338 dated 17/01/2025 for Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.
Granted Conditions New dwelling Extension +1 9 docs -
155 Chiswick High Road,London,W4 2DT
Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.
Granted Full applications New dwelling Extension +1 43 docs -
155 Chiswick High Road, Chiswick, London, W4 2DT
89% historically approved · decision due ~22 Oct
Variation of Condition 9 ( Internal water usage) to the flats hereby approved, shall be fitted to ensure that the development would achieve the internal water usage of 105 litres per person per day target of planning permission P/2024/2338 approved 07/01/2025 for the conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.
Awaiting decision Conditions New dwelling Extension +1 2 docs -
155 Chiswick High Road, Chiswick, London, W4 2DT
Non material amendment to allow the revision of the internal dimensions of the plant room and bike store at ground floor level of planning permission P/2024/2338 approved 17/01/2025 for the Conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows
Granted Amendments New dwelling Extension +1 4 docs -
157 Chiswick High Road, Chiswick, London, W4 2DT
75% historically approved · decision due ~15 Oct
Replacing the existing external fascia sign and projecting sign.
Awaiting decision Advertising 10 docs -
157 Chiswick High Road, Chiswick, London, W4 2DT
64% historically approved · decision due ~15 Oct
Alterations to the existing shopfront to allow the change of use from a retail unit (Class E) to a nail and beauty salon.
Awaiting decision Full applications Windows or glazing 8 docs
Other amendment applications
In Hounslow
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P/2026/2730 Awaiting decision
106 Bassett Gardens, Isleworth, TW7 4QY
Non-Material Amendment to add a side window on the ground floor extension pursuant to permission PA/2025/3772 dated 29/01/2026 for ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves
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P/2026/2724 Awaiting decision
719-727, London Road, Hounslow, TW3 1SE
Variation of condition 2 (Approved Plans) to allow minor amendments to the approved drawings, including an increase in homes from 55 to 64, reduction in height from 10 storey to a maximum height of 6 storey, alterations to the site layout, altered internal layout plan layouts and inclusion of secondary fire escape stairs, and alternative elevational treatment following planning permission P/2023/3730 approved 31/10/2024 Variation of condition 2 (Approved Plans) to allow minor amendments to the approved drawings to include site layout, altered internal layout plan layouts and inclusion of secondary fire escape stairs, and alternative elevational treatment of planning permission P/2021/2614 approved under appeal APP/F5540/W/22/3298720 dated 21/11/2022 for Demolition of existing building and erection of a part three, part four, part five and part ten storey building to provide 55 dwellings with associated access, on-site servicing, car parking, landscaping and refuse and recycling storage... read more
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P/2026/2542 Granted
Former Units 9 and 10 Victory Business Centre, Fleming Way, Isleworth, TW7 6DB
Non material amendment to amend the wording of Condition 30 (Cycle Parking) from not less than 66 long-stay and 4 short-stay bicycles to require not less than 46 long-stay and 2 short-stay bicycles of planning permission P/2023/1686 granted on 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/2026/2124 Granted
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
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P/2026/2442 Granted
27 Cranford Lane, Hounslow, TW5 9EP
Non-material amendment to change the paving materials approved through application P/2025/2148 on 02/09/2025 for the discharge of details relating to Condition 13 (hard and soft landscaping), submitted pursuant to planning permission P/2024/4105 dated 24/03/2025 for erection of four, two/three storey residential dwellings with associated private amenity space, parking, landscaping, cycle and refuse storage following demolition of the existing building.