Planning application
28 Thorney Hedge Road, Chiswick, London, W4 5SD
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.
As published by the council, reference P/2025/3221
Application record
- Reference
- P/2025/3221
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: LAWFNOTGRANT
- Decision
- LAWFNOTGRANT
- Received
- 24 Oct 2025
- Validated
- 24 Oct 2025
- Decided
- 18 Dec 2025
- Ward
- Chiswick Gunnersbury
- Postcode
- W4 5SD
Site history
Applications at this address on the Hounslow register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
P/2026/0099 Granted
28 Thorney Hedge Road, Chiswick, London, W4 5SD
Erection of a rear roof extension to the house.
Timeline
Dates from the published record
-
24 Oct 2025
Received by Hounslow
-
18 Dec 2025
Decision issued: LAWFNOTGRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
11 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 this grant of permission means
Hounslow granted permission on 18 December 2025, 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 lawful development applications
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.
Nearby applications
Within 500 metres
-
28 Thorney Hedge Road, Chiswick, London, W4 5SD
Erection of a rear roof extension to the house.
Granted Householder Extension 14 docsDomestic -
51 Silver Crescent,Chiswick,W4 5SF
Erection of a part single storey and part first floor rear and side extension.
Granted Householder Extension 5 docsSmall domestic -
51 Silver Crescent,Chiswick,W4 5SF
Certificate of lawfulness for the proposed erection of a rear roof extension with windows to the front of the house.
Granted Lawful development Extension Windows or glazing 5 docs -
51 Silver Crescent,Chiswick,W4 5SF
76% historically approved · decision due ~29 Sep
Erection of a rear roof extension.
Awaiting decision Householder Extension 3 docsDomestic -
First Floor Flat 39B Thorney Hedge Road, Chiswick, London, W4 5SB
Erection of a rear roof extension with two front roof windows.
Granted Full applications Extension Windows or glazing 10 docs -
65 SILVER CRESCENT, CHISWICK, LONDON, W4 5SF
Erection of a first floor rear extension to the house
Refused Householder Extension 8 docsDomestic
Other lawful development applications
In Hounslow
-
P/2026/2033 Granted
3 Benedict Drive, Feltham, TW14 8JH
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.
-
P/2026/2027 Granted
115 Northumberland Crescent, Feltham, TW14 9SP
Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.
-
P/2026/2009 Granted
3 Brainton Avenue, Feltham, TW14 0AZ
Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.
-
P/2026/2014 Granted
82 Sussex Avenue, Isleworth, TW7 6LB
Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.
-
P/2026/2473 Awaiting decision
16 Somerset Waye, Hounslow, TW5 9HG
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.