Planning application
17 Crowntree Close, Isleworth, TW7 5PF
Works: Extension 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
Erection of a single-storey side and rear infill extension, and a front porch extension.
As published by the council, reference P/2026/1455
Application record
- Reference
- P/2026/1455
- Type
- Householder Applications
- Status
- Decided: APPROVED
- Decision
- APPROVED
- Received
- 13 May 2026
- Validated
- 13 May 2026
- Decided
- 8 Jul 2026
- Ward
- Osterley & Spring Grove
- Postcode
- TW7 5PF
Site history
Applications at this address on the Hounslow register
This site has had 3 applications since 2026: 2 approved, 0 refused.
-
P/2026/2151 Awaiting decision
17 Crowntree Close, Isleworth, TW7 5PF
Erection of a side roof extension with three roof windows on the other side of the house
-
P/2026/1437 Granted
17 Crowntree Close, Isleworth, TW7 5PF
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.
Timeline
Dates from the published record
-
13 May 2026
Received by Hounslow
-
8 Jul 2026
Decision issued: APPROVED
-
26 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 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 8 July 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
17 Crowntree Close, Isleworth, TW7 5PF
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house.
Granted Lawful development Extension Windows or glazing 7 docs -
17 Crowntree Close, Isleworth, TW7 5PF
77% historically approved · decision due ~17 Sep
Erection of a side roof extension with three roof windows on the other side of the house
Awaiting decision Householder Extension Windows or glazing 7 docsDomestic -
1 Wyke Close, Isleworth, TW7 5PE
Please find the proposed work to be carried out in Wyke Close and the surrounding area T1/T2 Silver Birch - reduce and shape canopy by 2 metres T4/T5/T6/T7 Common Lime - reduce and reshape by 2 metres and lift canopy to give 4 metres ground clearance for pathway and road T12 Holm Oak - reduce and shape canopy by 1.5 metres T16 Silver Birch- fell to ground level T22 Sweet Chestnut- remove major deadwood in canopy T30 Plum- Prune away from number 8s garden to give clearance and shape remainder of canopy by approximately 2 metres T32/T33/T34 Horse Chestnut/Common Lime- remove epicormic up to crown break T58 Holm Oak - reduce and shape canopy by 2 metres and heavily trim ivyunderneath T65 Common Lime - remove epicormic growth on stem to height of 4 metres T68 Sycamore - remove saplings either side of main stem T73 English Oak- remove all of major deadwood and prune back branches extending over pathway by approximately 2 metres T76/T77 English Oak - removal of major deadwood and reduce cano... read more
Withdrawn Trees 2 docs -
1 Wyke Close, Isleworth, TW7 5PE
Works to Trees in Conservation Area. Sycamore. Reduce height and circumference by one meter.
Granted Trees 4 docs -
Stags Way, Isleworth, TW7 5PQ
5-day tree notification to fell Lime T8 (T199 on supplied survey plan) within TPO order number 64 and in communal green space.
Granted Trees 3 docs -
Wyke Green Estate, Isleworth, TW7 5PE
Works to trees in a Conservation Area. T1 Crown lift to 5 metres. T2 Silver Birch. Crown lift to 5 metres and cut back overhang to property boundary by 2 metres. T4/T5/T6/T7 Common Lime. Crown lift to 5 metres, cut back overhang to highway by 2.5 metres. T12 Holm Oak. Reduce and shape canopy by 1.5 metres. T16 Silver Birch. Crown lift to 5 metres, remove major deadwood, minor crown reduction to balance asymmetric crown. T22 Sweet Chestnut. Remove major deadwood in canopy. T30 Plum. Prune away from garden of number 8 by 2.5 metres, to give clearance, and shape remainder of canopy by approximately 2 metres. T32/T33/T34 Horse Chestnut & Common Limes. Remove epicormic up to crown break. T58 Holm Oak. Reduce and shape canopy by 2 metres and heavily trim ivy underneath. T65 Common Lime. Remove epicormic growth on stem to height of 4 metres. T68 Sycamore. Remove saplings either side of main stem. T73 English Oak. Remove all major deadwood and prune back branches extending over p... read more
Granted Trees 5 docs
Other householder applications
In Hounslow
-
P/2026/2623 Awaiting decision
8 Lonsdale Road,Chiswick,W4 1ND
Installation of external condenser at first floor level.
-
P/2026/2125 Granted
36 Midsummer Avenue, Hounslow, TW4 5BB
Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.
-
P/2026/2615 Awaiting decision
48 Meadow Waye, Hounslow, TW5 9EZ
Erection of a part first floor rear extension.
-
P/2026/2619 Awaiting decision
12 Letchworth Avenue, Feltham, TW14 9RY
Erection of a single storey rear extension.
-
P/2026/2600 Awaiting decision
310 Lionel Road North, Brentford, TW8 9QX
Erection of a rear roof extension.