Planning application
12 Legrace Avenue, Hounslow, TW4 7RS
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness proposed for the erection of a hip to gable and rear roof extension with three front roof windows and Juliette balcony, a front porch and a single storey detached outbuilding in the rear garden of the house
As published by the council, reference P/2025/3790
Application record
- Reference
- P/2025/3790
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: GRANT
- Decision
- Granted As published: GRANT
- Received
- 22 Dec 2025
- Validated
- 4 Mar 2026
- Decided
- 7 May 2026
- Ward
- Cranford
- Postcode
- TW4 7RS
Site history
Applications at this address on the Hounslow register
This site has had 4 applications since 2025: 2 approved, 1 refused.
-
P/2026/2470 Awaiting decision
12 Legrace Avenue, Hounslow, TW4 7RS
Erection of a two storey side extension, single storey rear extension and part first floor rear extension, together with a hip to gable roof extension, rear roof extension incorporating a Juliet balcony, and installation of four front roof windows to the house
-
P/2026/0887 Refused
12 Legrace Avenue, Hounslow, TW4 7RS
Erection of a two-storey side and part first, part single storey rear extension. Erection of a rear roof extension with hip to gable conversion and a Juliet balcony, four front roof windows, and a front porch to the house.
-
PA/2025/3789 Granted
12 Legrace Avenue, Hounslow, TW4 7RS
Ground floor rear extension 6.00 metres deep, maximum height of 3.50 metres, 2.70 metres high to the eaves
Timeline
Dates from the published record
-
22 Dec 2025
Received by Hounslow
-
4 Mar 2026
Validated
Checked as complete and ready for consideration.
-
7 May 2026
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
5 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Hounslow granted permission on 7 May 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 0.3 miles
-
12 Legrace Avenue, Hounslow, TW4 7RS
Erection of a two-storey side and part first, part single storey rear extension. Erection of a rear roof extension with hip to gable conversion and a Juliet balcony, four front roof windows, and a front porch to the house.
Refused Householder Extension Loft or dormer +1 6 docsSmall domestic -
12 Legrace Avenue, Hounslow, TW4 7RS
75% historically approved · decision due ~23 Oct
Erection of a two storey side extension, single storey rear extension and part first floor rear extension, together with a hip to gable roof extension, rear roof extension incorporating a Juliet balcony, and installation of four front roof windows to the house
Awaiting decision Householder Extension Loft or dormer +1 4 docsSmall domestic -
12 Legrace Avenue, Hounslow, TW4 7RS
Ground floor rear extension 6.00 metres deep, maximum height of 3.50 metres, 2.70 metres high to the eaves
Granted Prior approval Extension 5 docs -
18 BASILDENE ROAD, HOUNSLOW, TW4 7LE
Ground floor rear extension 6.00 metres deep, maximum height of 3.20 metres, 3.00 metres high to the eaves
Granted Prior approval Extension 4 docs -
100 LELA AVENUE, HOUNSLOW, TW4 7RY
Ground floor rear extension 6 metres deep, maximum height of 3 metres, 2.8 metres high to the eaves
Granted Prior approval Extension 6 docs -
18 Kevin Close, Hounslow, TW4 7RX
Proposal for the erection of a two-storey side and part two-storey rear extension.
Granted Householder Extension 11 docsDomestic
Other lawful development applications
In Hounslow
-
P/2026/2813 Awaiting decision
150 Wood Lane, Isleworth, TW7 5EQ
(GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house
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P/2026/2334 Granted
69 Central Avenue, Hounslow, TW3 2QW
Certificate of lawfulness for the proposed hip to gable conversion and erection of rear roof extension with three front roof windows to the house.
-
P/2026/2459 Granted
2 Letchworth Avenue, Feltham, TW14 9RY
Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.
-
P/2026/2787 Awaiting decision
13 Denbigh Road, Hounslow, TW3 4DU
Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.
-
P/2026/2790 Awaiting decision
14 Old Farm Close, Hounslow, TW4 7AB
Certificate of lawfulness for the proposed erection of a rear roof extension and two front roof windows to the house.