Planning application
62 Thornbury Road, Isleworth, TW7 4LN
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 detached single storey outbuilding to the rear of the house
As published by the council, reference P/2026/0134
Application record
- Reference
- P/2026/0134
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: GRANT
- Decision
- GRANT
- Received
- 15 Jan 2026
- Validated
- 15 Jan 2026
- Decided
- 5 Feb 2026
- Ward
- Osterley & Spring Grove
- Postcode
- TW7 4LN
Site history
Applications at this address on the Hounslow register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
P/2025/3090 Granted
62 Thornbury Road, Isleworth, TW7 4LN
Erection a single storey side and rear extension following the demolition of an existing conservatory to the house.
Timeline
Dates from the published record
-
15 Jan 2026
Received by Hounslow
-
5 Feb 2026
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
6 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 5 February 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
-
62 Thornbury Road, Isleworth, TW7 4LN
Erection a single storey side and rear extension following the demolition of an existing conservatory to the house.
Granted Householder Extension Demolition 6 docsSmall domestic -
45 Thornbury Road, Isleworth, TW7 4LE
Works to trees within a conservation area. T1. Beech group x 13. Carry out a crown reduction of approximately 2.5 metres in height, pruning back to suitable secondary growth points. T2. Magnolia. Reduce the left-hand side of the crown by approximately 1.5 metres, pruning back to suitable growth points to restore symmetry and balance, while retaining the tree's natural form. T3. Beech hedgerow. Undertake a maintenance prune by removing recent regrowth back to the previous reduction points, maintaining the trees at their established dimensions and retaining a tidy, balanced crown line.
Granted Trees 4 docs -
Ground Floor Flat, 41 Thornbury Road, Isleworth, TW7 4LE
Erection of a detached outbuilding in the rear garden to be used as a home office for the ground floor flat
Granted Full applications 9 docs -
80 THORNBURY ROAD, ISLEWORTH, TW7 4LN
Works to Sycamore tree in the rear garden: Crown reduction by one-third to previous reduction points
Granted Trees 4 docs -
82 THORNBURY ROAD, ISLEWORTH, TW7 4LN
Erection of a single storey rear infill extension to the house and one chimney to be reinstated (amended plans and description)
Granted Householder Extension 10 docsSmall domestic -
3 Witham Road, Isleworth, TW7 4AJ
Erection of a single storey rear and side extension to the house.
Granted Full applications Extension 7 docsSmall domestic
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.