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Planning application

17 Grosvenor Road, Hounslow, TW3 3ER

Granted Hounslow P/2026/0536 Lawful Development Certificate (Proposed)

Works: Extension Windows or glazing

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

Proposal

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

As published by the council, reference P/2026/0536

Application record

Reference
P/2026/0536
Type
Lawful Development Certificate (Proposed)
Status
Decided: GRANT
Decision
Granted As published: GRANT
Received
13 Feb 2026
Validated
23 Feb 2026
Decided
17 Apr 2026
Ward
Hounslow West
Postcode
TW3 3ER

Site history

Applications at this address on the Hounslow register

This site has had 7 applications since 2025: 4 approved, 2 refused.

  • P/2026/1385 Granted

    17 Grosvenor Road, Hounslow, TW3 3ER

    Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house.

    Decided 1 Jul 2026 Lawful development
  • PA/2026/1212 Refused

    17 Grosvenor Road, Hounslow, TW3 3ER

    Ground floor rear extension 6.00 metres deep, maximum height 3.60 metres, 3.60 metres high to the eaves.

    Decided 20 May 2026 Prior approval
  • P/2026/0654 Granted

    17 Grosvenor Road, Hounslow, TW3 3ER

    Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house.

    Decided 17 Apr 2026 Lawful development
  • P/2026/0307 Granted

    17 Grosvenor Road, Hounslow, TW3 3ER

    Erection of a single storey side infill extension to the house

    Decided 3 Jun 2026 Householder
  • PA/2026/0308 Refused

    17 Grosvenor Road, Hounslow, TW3 3ER

    Ground floor rear extension 6.00 metres deep, maximum height 3.60 metres, 3.60 metres high to the eaves.

    Decided 16 Mar 2026 Prior approval
  • P/2025/2683 Withdrawn

    17 Grosvenor Road, Hounslow, TW3 3ER

    Erection of a rear roof extension with two front roof windows to the house.

    Submitted 3 Sep 2025 Householder

Timeline

Dates from the published record

  1. 13 Feb 2026

    Received by Hounslow

  2. 23 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Apr 2026

    Decision issued: GRANT

  4. 12 Aug 2026

    Added to PlanIndex

Documents

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

10 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Hounslow granted permission on 17 April 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 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

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    PA/2026/1212 Submitted 20 Apr 2026 50 yards away

    Ground floor rear extension 6.00 metres deep, maximum height 3.60 metres, 3.60 metres high to the eaves.

    Refused Prior approval Extension 5 docs

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    P/2025/2683 Submitted 3 Sep 2025 50 yards away

    Erection of a rear roof extension with two front roof windows to the house.

    Withdrawn Householder Extension Windows or glazing 7 docs
    Domestic

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    P/2026/1385 Submitted 7 May 2026 50 yards away

    Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house.

    Granted Lawful development 7 docs
    Small domestic

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    P/2026/0307 Submitted 2 Feb 2026 50 yards away

    Erection of a single storey side infill extension to the house

    Granted Householder Extension 7 docs
    Small domestic

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    PA/2026/0308 Submitted 2 Feb 2026 50 yards away

    Ground floor rear extension 6.00 metres deep, maximum height 3.60 metres, 3.60 metres high to the eaves.

    Refused Prior approval Extension 5 docs

  • 17 Grosvenor Road, Hounslow, TW3 3ER

    P/2026/0654 Submitted 25 Feb 2026 50 yards away

    Certificate of lawfulness for the proposed erection of a detached single storey outbuilding to the rear of the house.

    Granted Lawful development 7 docs
    Small domestic

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