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Planning application

65 DAWES AVENUE, ISLEWORTH, TW7 7JS

Refused Hounslow P/2019/3957 Lawful Use Certificate

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Certificate of Lawfulness for the erection of front porch and rear roof extension with juilete balcony and front roof windows to the house

As published by the council, reference P/2019/3957

Application record

Reference
P/2019/3957
Type
Lawful Use Certificate
Status
Decided: REFUSED (FULL PLANNING PERMISSION REQUIRED)
Decision
REFUSED (FULL PLANNING PERMISSION REQUIRED)
Received
30 Oct 2019
Validated
22 Nov 2019
Decided
20 Dec 2019
Ward
Isleworth (Pre May 2022)
Decision by
Delegated
Postcode
TW7 7JS

Timeline

Dates from the published record

  1. 30 Oct 2019

    Received by Hounslow

  2. 22 Nov 2019

    Validated

    Checked as complete and ready for consideration.

  3. 20 Dec 2019

    Decision issued: REFUSED (FULL PLANNING PERMISSION REQUIRED)

  4. 26 Aug 2026

    Added to PlanIndex

Documents

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

11 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.

Trade members open them from here.

Open the documents

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 60 DAWES AVENUE, ISLEWORTH, TW7 7JS

    P/2021/2038 Submitted 24 May 2021 22m away

    Removal of conditions 3 and 4 (restricting 'permitted development' rights) of planning permission 00337/60/P4 dated 07/06/2000 for the sub-division of existing dwelling house into one two-bedroom dwelling house and one one-bedroom dwellinghouse

    Refused Full applications 9 docs
    Domestic

  • 55 Dawes Avenue, Isleworth, TW7 7JS

    P/2024/3088 Submitted 16 Sep 2024 40m away

    Certificate of lawfulness for the proposed erection of an outbuilding in the rear garden

    Granted Lawful development 12 docs

  • 51 Napier Road, Isleworth, TW7 7HP

    P/2026/0412 Submitted 10 Feb 2026 63m away

    Erection of a single storey side infill and rear extension to the house following the demolition of the existing extension.

    Granted Householder Extension Demolition 10 docs
    Small domestic

  • 39 Napier Road, Isleworth, TW7 7HP

    P/2025/3157 Submitted 20 Oct 2025 68m away

    Works to trees in a Conservation Area. Cherry (Prunus species) T1. Fell to ground level

    Granted Trees 4 docs

  • 36 Napier Road, Isleworth, TW7 7HP

    P/2026/2418 Submitted 24 Aug 2026 93m away

    76% historically approved · decision due ~23 Oct

    Erection of a rear roof extension.

    Awaiting decision Householder Extension 17 docs
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  • 36 Napier Road, Isleworth, TW7 7HP

    P/2026/1897 Submitted 25 Jun 2026 93m away

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

    Granted Lawful development Extension 8 docs

In Hounslow

  • P/2026/2033 Granted

    3 Benedict Drive, Feltham, TW14 8JH

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

    8 Jul 2026 Lawful development
  • P/2026/2027 Granted

    115 Northumberland Crescent, Feltham, TW14 9SP

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

    8 Jul 2026 Lawful development
  • P/2026/2009 Granted

    3 Brainton Avenue, Feltham, TW14 0AZ

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

    7 Jul 2026 Lawful development
  • P/2026/2014 Granted

    82 Sussex Avenue, Isleworth, TW7 6LB

    Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

    7 Jul 2026 Lawful development
  • P/2026/2473 Awaiting decision

    16 Somerset Waye, Hounslow, TW5 9HG

    Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

    1 Sep 2026 Lawful development