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Planning application

23 Downs View, Isleworth, TW7 5HF

Granted Hounslow P/2025/3379 Householder Applications

Works: Extension 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 two storey side extension to the house.

As published by the council, reference P/2025/3379

Application record

Reference
P/2025/3379
Type
Householder Applications
Status
Granted As published: Decided: APPROVED
Decision
Granted As published: APPROVED
Received
11 Nov 2025
Validated
2 Dec 2025
Decided
6 Feb 2026
Ward
Osterley & Spring Grove
Postcode
TW7 5HF

Site history

Applications at this address on the Hounslow register

This site has had 4 applications since 2024: 3 approved, 0 refused.

  • P/2025/2500 Withdrawn

    23 Downs View, Isleworth, TW7 5HF

    Erection of a single storey ground floor side extension and part rear infill extension to the house. Following the demolition of the garage.

    Submitted 12 Aug 2025 Householder
  • P/2024/3538 Granted

    23 Downs View, Isleworth, TW7 5HF

    Erection of a ground floor rear extension

    Decided 3 Jan 2025 Householder
  • P/2024/3516 Granted

    23 Downs View, Isleworth, TW7 5HF

    Certificate of lawfulness for a hip to gable conversion and erection of a rear roof extension with three front roof windows to the house

    Decided 5 Dec 2024 Lawful development

Timeline

Dates from the published record

  1. 11 Nov 2025

    Received by Hounslow

  2. 2 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 6 Feb 2026

    Decision issued: APPROVED

  4. 12 Aug 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.

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Open the documents

What this grant of permission means

Hounslow granted permission on 6 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 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 0.3 miles

  • 23 Downs View, Isleworth, TW7 5HF

    P/2024/3516 Submitted 22 Oct 2024 50 yards away

    Certificate of lawfulness for a hip to gable conversion and erection of a rear roof extension with three front roof windows to the house

    Granted Lawful development Extension Loft or dormer +1 7 docs

  • 23 Downs View, Isleworth, TW7 5HF

    P/2025/2500 Submitted 12 Aug 2025 50 yards away

    Erection of a single storey ground floor side extension and part rear infill extension to the house. Following the demolition of the garage.

    Withdrawn Householder Extension Demolition 6 docs
    Small domestic

  • 23 Downs View, Isleworth, TW7 5HF

    P/2024/3538 Submitted 24 Oct 2024 50 yards away

    Erection of a ground floor rear extension

    Granted Householder Extension 9 docs
    Domestic

  • 3 Downs View, Isleworth, TW7 5HF

    P/2024/3116 Submitted 17 Sep 2024 50 yards away

    Erection of a single storey rear wrap-around extension and conversion of the existing garage into a habitable space.

    Granted Householder Extension 26 docs
    Small domestic

  • 27 Parkwood Road, Isleworth, TW7 5HE

    P/2026/1697 Submitted 8 Jun 2026 50 yards away

    Erection of a single storey rear and a single storey side extension

    Withdrawn Householder Extension 4 docs
    Small domestic

  • 27 Parkwood Road, Isleworth, TW7 5HE

    P/2026/1891 Submitted 25 Jun 2026 50 yards away

    Certificate of lawfulness for the proposed erection of a rear roof extension with a hip to gable conversion, two front roof lights and a detached outbuilding at the rear garden.

    Granted Lawful development Extension Loft or dormer 7 docs

In Hounslow

  • P/2026/2304 Granted

    18 Clifden Road, Brentford, TW8 0PF

    Erection of a side and rear extensions.

    Received 7 Aug, published by the council 12 Aug 2026 Householder
  • P/2026/2804 Awaiting decision

    128 Durham Road, Feltham, TW14 0AE

    Erection of a detached outbuilding in the rear garden following demolition of existing shed.

    Received 2 Oct, published by the council 9 Oct 2026 Householder
  • P/2026/2301 Granted

    4 Glebe Street, Chiswick, W4 2BG

    Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

    Received 7 Aug, published by the council 16 Aug 2026 Householder
  • P/2026/1167 Granted

    20 Firs Drive, Hounslow, TW5 9TD

    Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

    Received 15 Apr, published by the council 26 Jul 2026 Householder
  • P/2026/2025 Granted

    1 Kneller Gardens, Isleworth, TW7 7NP

    Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

    Received 8 Jul, published by the council 26 Jul 2026 Householder