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Planning application

11 Cranmore Avenue, Isleworth, TW7 4QW

Granted Hounslow P/2026/1513 Householder Applications

Works: Extension Loft or dormer Windows or glazing Small 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 rear roof extension and a hip to gable conversion with a Juliet balcony and two front roof windows, and a two storey side, part first floor and single storey rear extension with a front porch to the house.

As published by the council, reference P/2026/1513

Application record

Reference
P/2026/1513
Type
Householder Applications
Status
Granted As published: Decided: APPROVED
Decision
Granted As published: APPROVED
Received
20 May 2026
Validated
2 Jun 2026
Decided
28 Jul 2026
Ward
Osterley & Spring Grove
Postcode
TW7 4QW

Site history

Applications at this address on the Hounslow register

This site has had 4 applications since 2019: 4 approved, 0 refused.

  • P/2026/0786 Granted

    11 Cranmore Avenue, Isleworth, TW7 4QW

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

    Decided 14 Apr 2026 Lawful development
  • PA/2026/0672 Granted

    11 Cranmore Avenue, Isleworth, TW7 4QW

    Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.95 metres high to the eaves.

    Decided 27 Mar 2026 Prior approval
  • PA/2019/3920 Granted

    11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

    Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

    Decided 27 Nov 2019 Prior approval

Timeline

Dates from the published record

  1. 20 May 2026

    Received by Hounslow

  2. 2 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. 28 Jul 2026

    Decision issued: APPROVED

Documents

Plans, drawings, consultee responses and the officer's report

12 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 28 July 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

  • 11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

    PA/2019/3920 Submitted 28 Oct 2019 50 yards away

    Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

    Granted Prior approval Extension 6 docs

  • 11 Cranmore Avenue, Isleworth, TW7 4QW

    P/2026/0786 Submitted 9 Mar 2026 50 yards away

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

    Granted Lawful development Extension Loft or dormer +1 10 docs
    Small domestic

  • 11 Cranmore Avenue, Isleworth, TW7 4QW

    PA/2026/0672 Submitted 26 Feb 2026 50 yards away

    Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.95 metres high to the eaves.

    Granted Prior approval Extension 9 docs

  • 2A CRANMORE AVENUE, ISLEWORTH, TW7 4QW

    P/2021/3333 Submitted 17 Aug 2021 50 yards away

    T1 - Sycamore: Fell tree to ground level

    Granted Trees 3 docs

  • 18 Cranmore Avenue, Isleworth, TW7 4QW

    PA/2024/3490 Submitted 19 Oct 2024 50 yards away

    Ground floor rear extension 6.00 metres deep, maximum height 2.90 metres, 2.90 metres high to the eaves

    Granted Prior approval Extension 6 docs

  • 18 Cranmore Avenue,Isleworth,W7 4QW

    P/2024/3651 Submitted 4 Nov 2024 50 yards away

    Erection of a single storey and part two storey rear extension, first floor side extension, hip to gable extension and erection of a rear roof extension with two front roof windows to the house. Erection of single storey detached out building in the rear garden.

    Refused Householder Extension Loft or dormer +1 17 docs
    Small domestic

In Hounslow

  • P/2026/2623 Awaiting decision

    8 Lonsdale Road,Chiswick,W4 1ND

    Installation of external condenser at first floor level.

    Received 15 Sep, published by the council 17 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.

    Received 21 Jul, published by the council 30 Jul 2026 Householder
  • P/2026/2615 Awaiting decision

    48 Meadow Waye, Hounslow, TW5 9EZ

    Erection of a part first floor rear extension.

    Received 14 Sep, published by the council 17 Sep 2026 Householder
  • P/2026/2619 Awaiting decision

    12 Letchworth Avenue, Feltham, TW14 9RY

    Erection of a single storey rear extension.

    Received 14 Sep, published by the council 17 Sep 2026 Householder
  • P/2026/2600 Awaiting decision

    310 Lionel Road North, Brentford, TW8 9QX

    Erection of a rear roof extension.

    Received 14 Sep, published by the council 17 Sep 2026 Householder