Planning application
Great West House,993 Great West Road,Brentford,TW8 9DF
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Alteration to the central staircore external elevation, replacing the existing full height glazing with a solid insulated wall and a narrower band of windows.
As published by the council, reference P/2026/2523
Application record
- Reference
- P/2026/2523
- Type
- PF-Full Applications
- Status
- REGISTERED: Under Consultation
- Received
- 4 Sep 2026
- Validated
- 4 Sep 2026
- Ward
- Brentford West
- Postcode
- TW8 9DF
Comment by 29 September 2026
The council is taking comments on this application until then. Comments go to Hounslow through their own planning portal.
Site history
Applications at this address on the Hounslow register
This site has had 10 applications since 2024: 7 approved, 0 refused.
-
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.
-
P/2026/1762 Awaiting decision
Great West House, 993 Great West Road, Brentford, TW8 9DF
Details of Conditions 15 (Foul water capacity) and Condition 16 (Surface water capacity) for Prior Approval notification approval PAC/2024/1398 dated 15/08/2024 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
-
P/2026/1654 Granted
Great West House,993 Great West Road,Brentford,TW8 9DF
Details of Noise Assessment submitted pursuant to condition 14 of permission PAC/2024/1398 dated 15/08/26 for prior Approval notification for the change of use of the office floorspace (Class E) to residential floorspace (Class C3).
-
P/2026/1653 Granted
Great West House,993 Great West Road, Brentford, TW8 9DF
Details of noise survey submitted pursuant to condition 14 of permission PAC/2024/1397 dated 15/08/24 for prior Approval notification for the change of use of the office floorspace (Class E) to residential floorspace (Class C3).
-
P/2026/1181 Granted
Great West House, 993 Great West Road, Brentford, TW8 9DF
Certificate of lawfulness for the installation of two electricity substations.
-
P/2025/3810 Granted
Great West House, 993 Great West Road, Brentford, TW8 9DF
Installation of a link bridge at 11th, 12th and 13th floors
-
P/2025/3563 Granted
Great West House, 993 Great West Road, Brentford, TW8 9DF
Variation of condition 2 (approved plans) to allow changes to the internal layout of ground, 12th and 18th floors, and changes to the unit mix of PAC/2025/0304 approved 16/04/2025 for the 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).
-
P/2025/0777 Granted
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
-
P/2024/3823 Granted
Great West House,993 Great West Road,Brentford,TW8 9DF
Alterations to the existing building façade to provide new openable windows with integrated spandrel panels.
Timeline
Dates from the published record
-
4 Sep 2026
Received by Hounslow
-
10 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 30 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 56 days over the applications it decided in the last year.
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.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided full applications in a median of 74 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Great West House,993 Great West Road,Brentford,TW8 9DF
100% historically approved · decision due ~24 Sep
Certificate of lawfulness for the installation of two electricity substations.
Awaiting decision Lawful development 7 docs -
GW1 Great West House, 993 Great West Road, Brentford, W8 9DF
90% historically approved · decision due ~10 Aug
Details submitted pursuant to Condition 15 (Foul water capacity) and Condition 16 (Surface water capacity for prior approval notification PAC/2024/1397 dated 15/08/2024 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 5 docsMajor scheme -
Great West House,993 Great West Road,Brentford,Hounslow,TW8 9DF
Non Material Amendment to amend the internal layout and unit mix for GW2, Great West House of planning permission PAC/2024/1398 approved 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
Withdrawn Amendments 16 docsMajor scheme -
Great West House,993 Great West Road,Brentford,TW8 9DF
Details of Noise Assessment submitted pursuant to condition 14 of permission PAC/2024/1398 dated 15/08/26 for prior Approval notification for the change of use of the office floorspace (Class E) to residential floorspace (Class C3).
Granted Conditions 6 docs -
Great West House,993 Great West Road, Brentford, TW8 9DF
Details of noise survey submitted pursuant to condition 14 of permission PAC/2024/1397 dated 15/08/24 for prior Approval notification for the change of use of the office floorspace (Class E) to residential floorspace (Class C3).
Granted Conditions 6 docs -
Great West House,993 Great West Road,Brentford,TW8 9DF
Alterations to the existing building façade to provide new openable windows with integrated spandrel panels.
Granted Full applications Windows or glazing 25 docs
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