62 Thornbury Road, Isleworth, TW7 4LN

This site has had 3 applications since 2025: 2 approved, 0 refused.

• P/2026/0134 Granted

  62 Thornbury Road, Isleworth, TW7 4LN

  Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house

  Decided 5 Feb 2026 Lawful development
• 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.

  Decided 9 Dec 2025 Householder

1. 7 Sep 2026

   Received by Hounslow

2. 10 Sep 2026

   Added to PlanIndex

3. 17 Sep 2026

   Status changed to REGISTERED: Under Consultation

   Previously REGISTERED: Valid.

4. Decision

   Awaiting decision

   Decision expected by 2 November 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.

• 62 Thornbury Road, Isleworth, TW7 4LN

  P/2026/0134 Submitted 15 Jan 2026 0m away

  Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house

  Granted Lawful development 6 docs
  Small domestic

• 62 Thornbury Road, Isleworth, TW7 4LN

  P/2025/3090 Submitted 14 Oct 2025 0m away

  Erection a single storey side and rear extension following the demolition of an existing conservatory to the house.

  Granted Householder Extension Demolition 6 docs
  Small domestic

• 45 Thornbury Road, Isleworth, TW7 4LE

  P/2025/3351 Submitted 7 Nov 2025 43m away

  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

  P/2025/3707 Submitted 15 Dec 2025 44m away

  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

  P/2021/2975 Submitted 21 Jul 2021 59m away

  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

  P/2021/1519 Submitted 19 Apr 2021 67m away

  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 docs
  Small domestic

• 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