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Planning application

31 ENNISMORE AVENUE, CHISWICK, LONDON, W4 1SE

Refused Hounslow P/2019/3807 Lawful Use Certificate

Works: Extension Windows or glazing

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

Proposal

Certificate of lawfulness for erection of a rear roof extension with juliette balcony and roof window to front elevation

As published by the council, reference P/2019/3807

Application record

Reference
P/2019/3807
Type
Lawful Use Certificate
Status
Decided: REFUSED (FULL PLANNING PERMISSION REQUIRED)
Decision
REFUSED (FULL PLANNING PERMISSION REQUIRED)
Received
22 Oct 2019
Validated
22 Oct 2019
Decided
4 Dec 2019
Ward
Chiswick Homefields (Pre May 2022)
Decision by
Delegated
Postcode
W4 1SE

Timeline

Dates from the published record

  1. 22 Oct 2019

    Received by Hounslow

  2. 4 Dec 2019

    Decision issued: REFUSED (FULL PLANNING PERMISSION REQUIRED)

  3. 26 Aug 2026

    Added to PlanIndex

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.

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

  • Flat 1, 23 Ennismore Avenue, Chiswick, London, W4 1SE

    P/2025/2803 Submitted 18 Sep 2025 33m away

    65% historically approved · decision due ~9 Dec

    Erection of a single storey rear extension with fully glazed projecting roof light following the removal of the existing extension to the ground floor flat. Minor repairs to the front ground floor windows, replacement of the side window with like for like double glazed window, replacement of side door like for like, installation of an additional air conditioning unit and air source heat pump and basement tanking

    Decided Full applications Extension Loft or dormer +1 27 docs
    Small domestic

  • 36 Ennismore Avenue, Chiswick, London, W4 1SF

    P/2024/3079 Submitted 16 Sep 2024 34m away

    Loft conversion with a rear dormer.

    Granted Householder Loft or dormer 17 docs
    Domestic

  • 25A UPHAM PARK ROAD, CHISWICK, LONDON, W4 1PQ

    P/2021/2246 Submitted 4 Jun 2021 52m away

    Erection of a single storey rear infill extension to the ground floor flat

    Refused Full applications Extension 6 docs
    Small domestic

  • 55 UPHAM PARK ROAD, CHISWICK, W4 1PQ

    P/2024/1290 Submitted 24 Apr 2024 55m away

    Certificate of Lawfulness for existing use as two self-contained residential units and existing development of a part single storey rear extension

    Granted Lawful development Extension 17 docs
    Small domestic

  • FLAT 2 15 ENNISMORE AVENUE, CHISWICK, W4 1SE

    P/2021/2205 Submitted 3 Jun 2021 65m away

    Replacement of existing door and sidelight with a white UPVC door and sidelight on first floor front elevation.

    Granted Full applications 7 docs

  • Stamford Brook Bus Garage, 74 Chiswick High Road, Chiswick, London, W4 1SY

    P/2025/3717 Submitted 15 Dec 2025 87m away

    Alterations to the existing windows on the east elevation.

    Granted Full applications Windows or glazing 9 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