17 Crowntree Close, Isleworth, TW7 5PF

This site has had 3 applications since 2026: 2 approved, 0 refused.

• P/2026/1455 Granted

  17 Crowntree Close, Isleworth, TW7 5PF

  Erection of a single-storey side and rear infill extension, and a front porch extension.

  Decided 8 Jul 2026 Householder
• 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.

  Decided 3 Jul 2026 Lawful development

1. 22 Jul 2026

   Received by Hounslow

2. 23 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 12 Aug 2026

   Status changed to REGISTERED: Under Consultation

   Previously REGISTERED: Valid.

5. 23 Aug 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

6. Decision

   Awaiting decision

   Decision expected by 17 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided householder applications in a median of 63 days. More in our guide to how long planning decisions take.

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.

• 17 Crowntree Close, Isleworth, TW7 5PF

  P/2026/1455 Submitted 13 May 2026 0m away

  Erection of a single-storey side and rear infill extension, and a front porch extension.

  Granted Householder Extension 8 docs
  Small domestic

• 17 Crowntree Close, Isleworth, TW7 5PF

  P/2026/1437 Submitted 12 May 2026 0m away

  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

• 1 Wyke Close, Isleworth, TW7 5PE

  P/2025/3031 Submitted 9 Oct 2025 39m away

  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

  P/2026/1348 Submitted 5 May 2026 39m away

  Works to Trees in Conservation Area. Sycamore. Reduce height and circumference by one meter.

  Granted Trees 4 docs

• Stags Way, Isleworth, TW7 5PQ

  P/2026/1884 Submitted 24 Jun 2026 66m away

  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

  P/2025/3083 Submitted 13 Oct 2025 69m away

  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

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  15 Sep 2026 Householder
• 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.

  21 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  14 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  14 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  14 Sep 2026 Householder