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Planning application

42A SYON LANE, ISLEWORTH, TW7 5NQ

Refused Hounslow P/2023/0674 Lawful Use Certificate

Works: New dwelling Several homes

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 existing for the continued use as two flats

As published by the council, reference P/2023/0674

Application record

Reference
P/2023/0674
Type
Lawful Use Certificate
Status
Decided: REFUSED (FULL PLANNING PERMISSION REQUIRED)
Decision
REFUSED (FULL PLANNING PERMISSION REQUIRED)
Received
1 Mar 2023
Validated
1 Mar 2023
Decided
11 Apr 2023
Ward
Osterley & Spring Grove
Decision by
Delegated
Postcode
TW7 5NQ

Timeline

Dates from the published record

  1. 1 Mar 2023

    Received by Hounslow

  2. 11 Apr 2023

    Decision issued: REFUSED (FULL PLANNING PERMISSION REQUIRED)

  3. 23 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.

Trade members open them from here.

Open the documents

What this refusal means

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 850-852 GREAT WEST ROAD, ISLEWORTH, TW7 5NG

    P/2021/2546 Submitted 22 Jun 2021 106m away

    Erection of part single storey rear extensions to Flats B at both properties .

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  • 4 Otterburn Gardens, Isleworth, TW7 5JJ

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    P/2026/2129 Submitted 21 Jul 2026 113m away

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  • 88 Syon Lane, Isleworth, TW7 5NQ

    P/2025/3300 Submitted 3 Nov 2025 163m away

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  • 88 Syon Lane, Isleworth, TW7 5NQ

    PA/2025/3283 Submitted 30 Oct 2025 163m away

    Ground floor rear extension 6.00 metres deep, maximum height of 3.20 metres, 3.00 metres high to the eaves

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  • 851-853 Great West Road, Isleworth, TW7 5PD

    P/2026/2034 Submitted 8 Jul 2026 197m away

    76% historically approved · decision due ~17 Sep

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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