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Planning application

P/2021/2046

24 THORNBURY AVENUE, ISLEWORTH, TW7 4NQ

Granted Hounslow Householder Applications

Proposal

Variation of Condition 2 (approved plans) and Condition 3 (no additional windows and doors) to improve the appearance and utility of the extension of planning application 01118/24/P1 approved under appeal dated 30/11/2020 for erection of single storey rear extension and side and rear roof dormer extensions with one front roof window to the house and alteration to fenestration.

As published by the council, reference P/2021/2046

Timeline

Dates from the published record

  1. 24 May 2021

    Received by Hounslow

  2. 19 Jul 2021

    Decision issued: APPROVED

  3. 26 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • P/2024/1877 Granted

    28 Thornbury Avenue, Isleworth, TW7 4NQ

    Erection of a single storey rear infill replacing the existing conservatory, part single storey rear extension, side and rear roof extension and detached outbuilding at the rear of the garden

    6 Jun 2024 16m away Full applications
  • P/2026/1623 Granted

    30 Thornbury Avenue, Isleworth, TW7 4NQ

    Works to tree in a Conservation Area. T1. Apple. Fell to ground level and grind out stump. Rear garden (east boundary)

    1 Jun 2026 26m away Trees
  • P/2023/0164 Refused

    31 THORNBURY AVENUE, ISLEWORTH, TW7 4NF

    Retrospective application for the erection of a single storey side and part rear extension, roof extension with rear and side dormers and roof windows; changes to front boundary wall, rendering of external walls and replacement windows and doors.

    17 Jan 2023 44m away Householder
  • P/2026/1843 Awaiting decision

    2 Thornbury Avenue, Isleworth, TW7 4NQ

    Enlargement of rear and side roof extensions to the house.

    22 Jun 2026 90m away Householder
  • P/2021/2224 Granted

    23 MARBAIX GARDENS, ISLEWORTH, TW7 4FD

    Erection of a 2.2 metre high pergola and an 80 cm-high raised bed within the rear garden.

    4 Jun 2021 139m away Householder
  • P/2024/3232 Granted

    30 Marbaix Gardens, Isleworth, TW7 4FD

    Erection of a single storey ground floor rear extension to the house

    25 Sep 2024 140m away Householder

In Hounslow

  • P/2026/2228 Awaiting decision

    Magnolias,1 Eastbourne Road,Chiswick,W4 3EB

    Erection of a front porch, single storey rear infill extension, first floor rear extension, rear roof extension and a single storey detached outbuilding.

    30 Jul 2026 Householder
  • P/2026/2222 Awaiting decision

    17 Park Drive,Acton,W3 8ND

    Replacement of porch window with double glazed windows and rear window to be replaced with double glazed windows.

    30 Jul 2026 Householder
  • P/2026/2208 Awaiting decision

    20, Adelaide Terrace Great West Road, Brentford, TW8 9PQ

    Erection of a single storey rear and side extension.

    29 Jul 2026 Householder
  • P/2026/2215 Awaiting decision

    1 The Drive, Feltham, TW14 0AQ

    Erection of a single storey detached outbuilding.

    29 Jul 2026 Householder
  • P/2026/2206 Awaiting decision

    28 Eversley Crescent, Isleworth, TW7 4LS

    Erection of a side roof extension with roof windows and a Juliet balcony to the rear of the property.

    29 Jul 2026 Householder