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Planning application

4 Otterburn Gardens, Isleworth, TW7 5JJ

Awaiting decision Hounslow P/2026/2129 PF-Full Applications

Works: Extension Loft or dormer Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of a rear roof extension with hip to gable conversion and three front roof windows.

As published by the council, reference P/2026/2129

Application record

Reference
P/2026/2129
Type
PF-Full Applications
Status
REGISTERED: Pending recommendation
Received
21 Jul 2026
Validated
21 Jul 2026
Ward
Osterley & Spring Grove
Postcode
TW7 5JJ

Site history

Applications at this address on the Hounslow register

This site has had 2 applications since 2025.

  • P/2025/1311 Withdrawn

    4 Otterburn Gardens, Isleworth, TW7 5JJ

    Formation of a vehicular access to the existing site.

    Submitted 24 Apr 2025 Full applications

Timeline

Dates from the published record

  1. 21 Jul 2026

    Received by Hounslow

  2. 26 Jul 2026

    Added to PlanIndex

  3. 16 Aug 2026

    Status changed to REGISTERED: Under Assessment

    Previously REGISTERED: Under Consultation.

  4. 17 Sep 2026

    Status changed to REGISTERED: Pending recommendation

    Previously REGISTERED: Under Assessment.

  5. Decision

    Awaiting decision

    Decision expected by 15 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.

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.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided full applications in a median of 74 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 4 Otterburn Gardens, Isleworth, TW7 5JJ

    P/2025/1311 Submitted 24 Apr 2025 0m away

    Formation of a vehicular access to the existing site.

    Withdrawn Full applications 5 docs
  • 850-852 GREAT WEST ROAD, ISLEWORTH, TW7 5NG

    P/2021/2546 Submitted 22 Jun 2021 103m away

    Erection of part single storey rear extensions to Flats B at both properties .

    Refused Full applications New dwelling Extension 5 docs
    Small domestic
  • 42A SYON LANE, ISLEWORTH, TW7 5NQ

    P/2023/0674 Submitted 1 Mar 2023 113m away

    Certificate of lawfulness existing for the continued use as two flats

    Refused Lawful development New dwelling 10 docs
    Several homes
  • 31 WARKWORTH GARDENS, ISLEWORTH, TW7 5JP

    P/2023/0536 Submitted 20 Feb 2023 126m away

    Formation of a vehicular access at the front of the site

    Refused Householder 9 docs
    Domestic
  • 37 Roxborough Avenue, Isleworth, TW7 5HQ

    P/2025/2519 Submitted 14 Aug 2025 140m away

    Erection of a two storey side, single storey rear, part first floor rear extension and a new front porch following the demolition of the existing side garage

    Granted Householder Extension Demolition 9 docs
    Small domestic
  • 39 Roxborough Avenue, Isleworth, TW7 5HQ

    P/2026/0873 Submitted 16 Mar 2026 140m away

    Erection of a part two storey side, single storey rear extension with two roof lanterns and a part first floor rear extension to the house.

    Granted Householder Extension 14 docs
    Small domestic

In Hounslow

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    11 Sep 2026 Full applications
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    10 Sep 2026 Full applications
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    10 Sep 2026 Full applications
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  • P/2026/2080 Granted

    2 Chiswick High Road, Chiswick, London, W4 1TH

    Replacement of all windows and doors.

    16 Jul 2026 Full applications