Planning application
993, Great West House, Hounslow, Brentford, TW8 9DF
Works: Extension Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Extension of the existing rooftop plant areas at the 12th and 18th floors of Great West House, including new terrace areas enclosed by glazed balustrades.
As published by the council, reference P/2026/1971
Application record
- Reference
- P/2026/1971
- Type
- PF-Full Applications
- Status
- REGISTERED: Under Assessment
- Received
- 3 Jul 2026
- Validated
- 6 Aug 2026
- Ward
- Brentford West
- Postcode
- TW8 9DF
Timeline
Dates from the published record
-
3 Jul 2026
Received by Hounslow
-
6 Aug 2026
Validated
Checked as complete and ready for consideration.
-
16 Aug 2026
Added to PlanIndex
-
5 Sep 2026
Status changed to REGISTERED: Under Assessment
Previously REGISTERED: Under Consultation.
-
Decision
Awaiting decision
Decision expected by 1 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hounslow took a median of 55 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
6 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.
Trade members open them from here.
Open the documentsWhat 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 full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
-
GW2, Great West House,Great West Road,Brentford,TW8 9DF
Non Material Amendment to amend the wording of the description of development following permission PAC/2024/1398 dated 15/08/2024 for Prior Approval notification for the change of use of the office floorspace (Class E) to provide 7,008sqm of residential floorspace (Class C3) to create 110 new units.
Granted Amendments 3 docsMajor scheme -
983 Great West House, Gw1,Great West Road,Brentford,TW8 9DF
Non Material Amendment to amend the wording of the description of development of permission PAC/2024/1397 dated 15/08/2024 for Prior Approval notification for the change of use of the office floorspace (Class E) to provide 11,516sqm of residential floorspace (Class C3) to create 153 new units
Granted Amendments 3 docsMajor scheme -
GREAT WEST HOUSE,993 GREAT WEST ROAD,BRENTFORD,TW8 9DF
Installation of three external advertisements, one free-standing advertisement hoarding comprising two illuminated adverts and one illuminated advertisement hoarding on the existing office building
Granted Advertising 7 docs -
GW2 GREAT WEST HOUSE, 983 GREAT WEST ROAD, BRENTFORD, TW8 9DF
91% historically approved · decision due ~15 Jun
Details of condition 7 (Delivery and Servicing Plan ) and condition 8 (Travel Plan) submitted pursuant to planning permission PAC/2024/1398 dated 15/08/2024 for Prior Approval notification for the change of use of the building from office floorspace (Class E) to provide 7,008sqm of residential floorspace (Class C3) to create 110 new units
Awaiting decision Conditions 8 docsMajor scheme -
GW1 GREAT WEST HOUSE, 983 GREAT WEST ROAD, BRENTFORD, TW8 9DF
91% historically approved · decision due ~16 Jun
Details of condition 7 (Delivery and Servicing Plan) and condition 8 (Travel Plan) submitted pursuant to planning permission PAC/2024/1397 dated 15/08/2024 for Prior Approval notification for the change of use of the office floorspace (Class E) to provide 11,516sqm of residential floorspace (Class C3) to create 153 new units
Awaiting decision Conditions 10 docsMajor scheme -
Great West House, Great West Road, Brentford TW8 9DF
Prior approval for change of use of the ground, 12th and 18th floors of Great West House from offices Class E to residential accommodation Class C3.
Granted Outline 30 docs
Other full applications applications
In Hounslow
-
P/2026/1189 Granted
12 The Grove, Isleworth, TW7 4JZ
Installation of one front boundary gate and new windows to allow the conversion of existing single family house to five self contained flats with associated refuse and cycle storage.
-
P/2026/1937 Granted
Flat Ground Floor, 102 New Heston Road, Hounslow, TW5 0LF
Erection of a single storey detached outbuilding for use as a home office in the rear garden of the flat
-
P/2026/1494 Granted
2 Bath Road, Chiswick, London, W4 1LW
Demolition of the single-storey rear extension, installation of temporary scaffolding to the façade of the building, installation of associated plant equipment, an external condenser unit and acoustic shelter. Internal layout alterations and installation of secondary glazing, external alterations including re-rendering to allow continued use under Class E (c) and (g)(i)
-
P/2026/1936 Refused
Flat First Floor, 102 New Heston Road, Hounslow, TW5 0LF
Erection of a rear roof and outrigger extension with two front rooflights to the flat
-
P/2026/0592 Granted
87 Cranleigh Road, Feltham, TW13 4QA
Erection of a two storey residential house with associated landscaping, private amenity space, cycle and refuse storage.