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Planning application

62 Thornbury Road, Isleworth, TW7 4LN

Granted Hounslow P/2026/0134 Lawful Development Certificate (Proposed)

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.

    Decided 9 Dec 2025 Householder

Timeline

Dates from the published record

  1. 15 Jan 2026

    Received by Hounslow

  2. 5 Feb 2026

    Decision issued: GRANT

  3. 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 documents

What 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

    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
  • 3 Witham Road, Isleworth, TW7 4AJ

    P/2026/0779 Submitted 9 Mar 2026 73m away

    Erection of a single storey rear and side extension to the house.

    Granted Full applications Extension 7 docs
    Small domestic

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.

    8 Jul 2026 Lawful development
  • 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.

    8 Jul 2026 Lawful development
  • 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.

    7 Jul 2026 Lawful development
  • 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.

    7 Jul 2026 Lawful development
  • 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.

    1 Sep 2026 Lawful development