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Planning application

17 Grosvenor Road, Hounslow, TW3 3ER

Granted Hounslow P/2026/1385 Lawful Development Certificate (Proposed)

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

Proposal

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

As published by the council, reference P/2026/1385

Application record

Reference
P/2026/1385
Type
Lawful Development Certificate (Proposed)
Status
Decided: GRANT
Decision
Granted As published: GRANT
Received
7 May 2026
Validated
7 May 2026
Decided
1 Jul 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: 5 approved, 1 refused.

  • 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/2026/0536 Granted

    17 Grosvenor Road, Hounslow, TW3 3ER

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

    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  • P/2025/2683 Withdrawn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. 7 May 2026

    Received by Hounslow

  2. 1 Jul 2026

    Decision issued: GRANT

  3. 26 Jul 2026

    Added to PlanIndex

Documents

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

7 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 1 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 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/2026/0536 Submitted 13 Feb 2026 50 yards away

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

    Granted Lawful development Extension Windows or glazing 10 docs

  • 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.

    Granted 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/2026/2118 Granted

    54 Amhurst Gardens, Isleworth, TW7 6AJ

    Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

    Received 20 Jul, published by the council 26 Jul 2026 Lawful development
  • P/2026/2580 Awaiting decision

    50B Paxton Road, Chiswick, London, W4 2QX

    Certificate of lawfulness for the existing use of a first floor self contained flat.

    Received 10 Sep, published by the council 17 Sep 2026 Lawful development
  • P/2026/2332 Granted

    43 Dawes Avenue, Isleworth, TW7 7JS

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

    Received 12 Aug, published by the council 16 Aug 2026 Lawful development
  • P/2026/2089 Granted

    18 Central Avenue, Hounslow, TW3 2QH

    Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

    Received 17 Jul, published by the council 26 Jul 2026 Lawful development
  • P/2026/2566 Awaiting decision

    109 Wood Lane, Isleworth, TW7 5EG

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

    Received 9 Sep, published by the council 17 Sep 2026 Lawful development