Planning application
27 Basildene Road, Hounslow, TW4 7LG
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/2026/0889
Application record
- Reference
- P/2026/0889
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: GRANT
- Decision
- GRANT
- Received
- 17 Mar 2026
- Validated
- 31 Mar 2026
- Decided
- 21 Apr 2026
- Ward
- Cranford
- Postcode
- TW4 7LG
Timeline
Dates from the published record
-
17 Mar 2026
Received by Hounslow
-
31 Mar 2026
Validated
Checked as complete and ready for consideration.
-
21 Apr 2026
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
4 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 21 April 2026, 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
-
41 Manor Avenue, Hounslow, TW4 7JN
Certificate of lawfulness proposed for a hip to gable conversion and erection of a rear roof extension with two front roof windows.
Granted Lawful development Extension Loft or dormer +1 5 docs -
41 Manor Avenue, Hounslow, TW4 7JN
Ground floor rear extension 6.00 metres deep, maximum height 3.10 metres, 3.00 metres high to the eaves.
Granted Prior approval Extension 5 docs -
17 Basildene Road, Hounslow, TW4 7LF
Ground floor rear extension 6.00 metres deep, maximum height of 2.90 metres, 2.90 metres high to the eaves
Granted Prior approval Extension 6 docs -
104 Rosemary Avenue, Hounslow, TW4 7JG
Certificate of lawfulness for the proposed erection of a rear roof extension and a hip to gable conversion, with windows to the front of the house.
Granted Lawful development Extension Loft or dormer +1 6 docs -
104 Rosemary Avenue, Hounslow, TW4 7JG
91% historically approved · decision due ~19 Oct
Ground floor rear extension 6.00 metres deep, maximum height 3.25 metres, 3.00 metres high to the eaves.
Awaiting decision Prior approval Extension 3 docs -
46 Legrace Avenue, Hounslow, TW4 7RS
76% historically approved · decision due ~26 May
Erection of two storey side and part first floor rear extension to the house.
Awaiting decision Householder Extension 4 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.