Great West House,993 Great West Road,Brentford,TW8 9DF

This site has had 10 applications since 2024: 7 approved, 0 refused.

• P/2026/2523 Awaiting decision

  Great West House,993 Great West Road,Brentford,TW8 9DF

  Alteration to the central staircore external elevation, replacing the existing full height glazing with a solid insulated wall and a narrower band of windows.

  Submitted 4 Sep 2026 Full applications
• 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

  Submitted 15 Jun 2026 Conditions
• 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).

  Decided 17 Aug 2026 Conditions
• 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).

  Decided 17 Aug 2026 Conditions
• P/2026/1181 Granted

  Great West House, 993 Great West Road, Brentford, TW8 9DF

  Certificate of lawfulness for the installation of two electricity substations.

  Decided 26 Jun 2026 Lawful development
• 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

  Decided 27 May 2026 Full applications
• 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).

  Decided 12 Jun 2026 Amendments
• 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

  Decided 8 May 2025 Advertising
• 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.

  Decided 2 Jan 2025 Full applications

1. 29 Jul 2026

   Received by Hounslow

2. 30 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 3 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 September 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.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided lawful development applications in a median of 55 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• GW1 Great West House, 993 Great West Road, Brentford, W8 9DF

  P/2026/1763 Submitted 15 Jun 2026 0m away

  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 docs
  Major scheme

• Great West House,993 Great West Road,Brentford,Hounslow,TW8 9DF

  P/2025/2551 Submitted 19 Aug 2025 0m away

  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 docs
  Major scheme

• Great West House,993 Great West Road,Brentford,TW8 9DF

  P/2026/1654 Submitted 3 Jun 2026 0m away

  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

  P/2026/1653 Submitted 3 Jun 2026 0m away

  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

  P/2024/3823 Submitted 15 Nov 2024 0m away

  Alterations to the existing building façade to provide new openable windows with integrated spandrel panels.

  Granted Full applications Windows or glazing 25 docs

• GW2 Great West House, 983 Great West Road, Brentford, TW8 9DF

  P/2025/2811 Submitted 18 Sep 2025 0m away

  Variation of condition 2 (approved plans) to allow internal layout changes of the prior approval notification PAC/2024/1398 approved 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.

  Granted Amendments 21 docs
  Major scheme

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  20 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  10 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Certificate of Lawfulness for the proposed hip to gable conversion, front roof lights and erection of a rear roof extension to the house.

  12 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  17 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with roof windows to the front and Juliet balcony to the rear of the house.

  9 Sep 2026 Lawful development