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Planning application

6 Alton Close, Isleworth, TW7 6AL

Granted Hounslow P/2025/2854 Lawful Development Certificate (Proposed)

Works: Extension Loft or dormer Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference P/2025/2854

Application record

Reference
P/2025/2854
Type
Lawful Development Certificate (Proposed)
Status
Decided: GRANT
Decision
Granted As published: GRANT
Received
23 Sep 2025
Validated
23 Sep 2025
Decided
21 Oct 2025
Ward
Syon & Brentford Lock
Postcode
TW7 6AL

Site history

Applications at this address on the Hounslow register

This site has had 4 applications since 2025: 3 approved, 0 refused.

  • P/2026/1209 Granted

    6 Alton Close, Isleworth, TW7 6AL

    Certificate of lawfulness for the proposed erection of a single storey detached outbuilding for use as an office and a front porch extension to the house.

    Decided 26 Jun 2026 Lawful development
  • P/2025/3026 Granted

    6 Alton Close, Isleworth, TW7 6AL

    Erection of a single storey rear extension and removal of chimney stack to the house.

    Decided 2 Dec 2025 Householder
  • P/2025/0931 Withdrawn

    6 Alton Close, Isleworth, TW7 6AL

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

    Submitted 24 Mar 2025 Lawful development

Timeline

Dates from the published record

  1. 23 Sep 2025

    Received by Hounslow

  2. 21 Oct 2025

    Decision issued: GRANT

  3. 12 Aug 2026

    Added to PlanIndex

Documents

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

20 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 21 October 2025, 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 0.3 miles

  • 6 Alton Close, Isleworth, TW7 6AL

    P/2025/0931 Submitted 24 Mar 2025 50 yards away

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

    Withdrawn Lawful development Extension Loft or dormer +1 20 docs

  • 6 Alton Close, Isleworth, TW7 6AL

    P/2026/1209 Submitted 20 Apr 2026 50 yards away

    Certificate of lawfulness for the proposed erection of a single storey detached outbuilding for use as an office and a front porch extension to the house.

    Granted Lawful development Extension 18 docs
    Small domestic

  • 6 Alton Close, Isleworth, TW7 6AL

    P/2025/3026 Submitted 8 Oct 2025 50 yards away

    Erection of a single storey rear extension and removal of chimney stack to the house.

    Granted Householder Extension 19 docs
    Small domestic

  • 8 Alton Close, Isleworth, TW7 6AL

    P/2024/3818 Submitted 15 Nov 2024 50 yards away

    Certificate of Lawfulness for the proposed erection of a single storey detached outbuilding as an office in rear garden.

    Granted Lawful development 5 docs
    Small domestic

  • 20 AMHURST GARDENS, ISLEWORTH, TW7 6AJ

    PA/2019/4025 Submitted 6 Nov 2019 50 yards away

    Ground floor rear extension 6 metres deep, maximum height of 2.9 metres, 2.4 metres high to the eaves

    Granted Prior approval Extension 9 docs

  • Land Rear of 26-48 & 34 Amhurst Gardens, Isleworth TW7 6AJ

    P/2026/1136 Submitted 13 Apr 2026 50 yards away

    Details of Conditions 6 (Construction Logistics Plan) submitted pursuant to planning permission P/2025/0430 dated 28/11/2025 for Erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

    Granted Conditions Demolition 15 docs
    Several homes

In Hounslow

  • P/2026/2813 Awaiting decision

    150 Wood Lane, Isleworth, TW7 5EQ

    (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

    Received 5 Oct, published by the council 9 Oct 2026 Lawful development
  • P/2026/2334 Granted

    69 Central Avenue, Hounslow, TW3 2QW

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

    Received 12 Aug, published by the council 16 Aug 2026 Lawful development
  • P/2026/2459 Granted

    2 Letchworth Avenue, Feltham, TW14 9RY

    Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

    Received 28 Aug, published by the council 5 Sep 2026 Lawful development
  • P/2026/2787 Awaiting decision

    13 Denbigh Road, Hounslow, TW3 4DU

    Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

    Received 1 Oct, published by the council 9 Oct 2026 Lawful development
  • P/2026/2790 Awaiting decision

    14 Old Farm Close, Hounslow, TW4 7AB

    Certificate of lawfulness for the proposed erection of a rear roof extension and two front roof windows to the house.

    Received 1 Oct, published by the council 6 Oct 2026 Lawful development