Planning application
21 Berkeley Waye, Hounslow, TW5 9HJ
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Ground floor rear extension 6.00 metres deep, maximum height of 3.40 metres, 2.90 metres high to the eaves
As published by the council, reference PA/2026/2518
Application record
- Reference
- PA/2026/2518
- Type
- Prior Approval Larger Home Extension
- Status
- REGISTERED: Under Consultation
- Received
- 4 Sep 2026
- Validated
- 4 Sep 2026
- Ward
- Heston West
- Postcode
- TW5 9HJ
Comment by 25 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 3 applications since 2025: 1 approved, 1 refused.
-
PA/2026/1812 Refused
21 Berkeley Waye, Hounslow, TW5 9HJ
Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.
-
P/2025/3264 Granted
21 Berkeley Waye, Hounslow, TW5 9HJ
Certificate of lawfulness for the existing single storey rear extension.
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
3 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 prior approval applications in a median of 39 days. More in our guide to how long planning decisions take.
About prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
21 Berkeley Waye, Hounslow, TW5 9HJ
Certificate of lawfulness for the existing single storey rear extension.
Granted Lawful development Extension 5 docsSmall domestic -
21 Berkeley Waye, Hounslow, TW5 9HJ
Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.
Refused Prior approval Extension 5 docs -
16 Somerset Waye, Hounslow, TW5 9HG
100% historically approved · decision due ~27 Oct
Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.
Awaiting decision Lawful development Extension Windows or glazing 10 docs -
16 Somerset Waye, Hounslow, TW5 9HG
Erection of a rear roof extension and hip to gable conversion with two front roof windows to the house
Refused Householder Extension Loft or dormer +1 6 docsDomestic -
16 Somerset Waye, Hounslow, TW5 9HG
Erection of a part first floor rear extension to the house
Granted Householder Extension 8 docsDomestic -
16 Somerset Waye, Hounslow, TW5 9HG
Erection of a hip to gable and rear roof extension to the main part of the house with two front roof windows
Refused Householder Extension Loft or dormer +1 6 docsDomestic
Other prior approval applications
In Hounslow
-
PA/2026/2611 Awaiting decision
72 Crosslands Avenue, Southall, UB2 5RA
Ground floor rear extension 6 metres deep, maximum height of 3 metres, 3 metres high to the eaves
-
PA/2026/2246 Granted
72 Kneller Gardens, Isleworth, TW7 7NW
Ground floor rear extension 6.00 metres deep, maximum height of 2.90 metres, 2.90 metres high to the eaves
-
PA/2026/2565 Awaiting decision
31 Spencer Road, Isleworth, TW7 4BN
Ground floor rear extension 4.00 metres deep, maximum height 3.60 metres, 3.00 metres high to the eaves.
-
PA/2026/2551 Awaiting decision
98 Bulstrode Avenue, Hounslow, TW3 3AG
Ground floor rear extension 5.00 metres deep, maximum height 2.95 metres, 2.95 metres high to the eaves.
-
PA/2026/2550 Awaiting decision
63 Beavers Crescent, Hounslow, TW4 6EU
Ground floor rear extension 5.00 metres deep, maximum height 3.51 metres, 3.00 metres high to the eaves.