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Planning application

66 Whitestile Road, Brentford, TW8 9NL

Granted Hounslow P/2026/1742 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 for proposed erection of a rear roof extension with a Juliet balcony and windows to match.

As published by the council, reference P/2026/1742

Application record

Reference
P/2026/1742
Type
Lawful Development Certificate (Proposed)
Status
Decided: GRANT
Decision
Granted As published: GRANT
Received
11 Jun 2026
Validated
21 Jun 2026
Decided
14 Aug 2026
Ward
Brentford West
Postcode
TW8 9NL

Site history

Applications at this address on the Hounslow register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • P/2026/1951 Granted

    66 Whitestile Road, Brentford, TW8 9NL

    Erection of a single storey rear extension and infill extension to the house. Following the demolition of the rear extension.

    Decided 26 Aug 2026 Householder

Timeline

Dates from the published record

  1. 11 Jun 2026

    Received by Hounslow

  2. 21 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. 12 Aug 2026

    Status changed to REGISTERED: Pending recommendation

    Previously REGISTERED: Under Assessment.

  5. 14 Aug 2026

    Decision issued: GRANT

Documents

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

5 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 14 August 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 500 metres

  • 66 Whitestile Road, Brentford, TW8 9NL

    P/2026/1951 Submitted 29 Jun 2026 0m away

    Erection of a single storey rear extension and infill extension to the house. Following the demolition of the rear extension.

    Granted Householder Extension Demolition 8 docs
    Small domestic
  • 59 WHITESTILE ROAD, BRENTFORD, TW8 9NR

    P/2021/2601 Submitted 25 Jun 2021 39m away

    Certificate of Lawfulness for the enlargement of the existing rear roof dormer extension and addition of a first floor side window to the existing house.

    Granted Lawful development Extension Loft or dormer +1 6 docs
  • 59 WHITESTILE ROAD, BRENTFORD, TW8 9NR

    P/2021/2607 Submitted 25 Jun 2021 39m away

    Erection of a single storey rear infill extension and rear extension to rear outrigger.

    Granted Householder Extension 11 docs
    Small domestic
  • 94 Darwin Road Ealing W5 4BH

    230570HH Submitted 13 Feb 2023 48m away

    Single storey side/rear extension (following demolition of existing conservatory); rear roof extension incorporating a Juliet balcony; rear outrigger roof extension, installation of one rooflight to the front roofslope (following removal of one rooflight)

    Granted Householder Extension Loft or dormer +1 8 docs
    Small domestic
  • 94 Darwin Road Ealing W5 4BH

    230570HH Submitted 13 Feb 2023 48m away

    Single storey side/rear extension (following demolition of existing conservatory); rear roof extension incorporating a Juliet balcony; rear outrigger roof extension, installation of one rooflight to the front roofslope (following removal of one rooflight)

    Granted Householder Extension Loft or dormer +1 8 docs
    Small domestic
  • 116 Darwin Road Ealing W5 4BH

    253149FUL Submitted 15 Aug 2025 57m away

    Installation of an external Air Conditioning Unit.

    Granted Full applications 12 docs

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