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Planning application

P/2026/1022

462A - 464A Chiswick High Road, Chiswick, London, W4 5TT

Awaiting decision Hounslow PF-Full Applications

Proposal

Erection of a mansard roof extension comprising of four self contained flats with associated solar panels, cycle and refuse storage.

As published by the council, reference P/2026/1022

Timeline

Dates from the published record

  1. 27 Mar 2026

    Received by Hounslow

  2. 26 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Hounslow for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • P/2024/3016 Refused

    303 Flat First Floor,Chiswick High Road,Chiswick,London,W4 4HH

    Change of use from the existing self-contained flat on the first floor into a House in Multiple Occupation (HMO) for up to five people

    10 Sep 2024 42m away Full applications
  • P/2025/0069 Withdrawn

    299-303,Chiswick High Road,Chiswick,W4 4HH

    Erection of new mansard roof extension across the second floor roof of the main building to accommodate two new self contained flats. A part first floor extension to an existing flat and part ground floor rear extension to the commercial unit to the rear of the property.

    9 Jan 2025 43m away Full applications
  • P/2026/0509 Awaiting decision

    299-303 Chiswick High Road, Chiswick, London, W4 4HH

    Variation of condition 3 (opening hours) to allow the addition of one hour to the opening hours of the basement, 0900-0100 on Sundays to Thursdays and 0900-0230 on Fridays and Saturdays for 12 months of planning permission P/2025/1945 approved 07/11/2025 for the retrospective application for the change of use of the existing food takeaway business and restaurant into a lounge bar on the basement floor and restaurant on the ground floor of 299 to 303 Chiswick High Road.

    13 Feb 2026 44m away Conditions
  • P/2021/1964 Granted

    FLAT 7 OLD TIMBER COURT ACTON LANE, CHISWICK, W4 5JQ

    Construction of third floor extension to Flat 7, Creation of new flat above and across the main part of building through roof extension at fourth floor level, with roof terrace to both flats. Additional bin and cycle storage and alterations to existing cycle store including new roof and security measures.

    14 May 2021 54m away Full applications
  • P/2026/1137 Refused

    Flat 12, Noble House Kings Place, Chiswick, London, W4 4BA

    Variation of condition 2 (approved plans) to allow the relocation of the external condenser unit to the communal roof terrace of planning permission P/2025/3365 approved 09/02/2026 for the installation of a external condenser unit to the south elevation.

    13 Apr 2026 77m away Conditions
  • P/2022/1138 Granted

    CHISWICK TERRACE 1-15 ACTON LANE, CHISWICK, W4 5LY

    Erection of a five-storey building with basement to provide a mix of commercial, retail and residential use, comprising eight flats, eight office units with terraces (totalling 1844 square metres), two retail units (totalling 697square metres) and a gym in the basement.

    5 Apr 2022 86m away Full applications

In Hounslow

  • P/2026/2210 Awaiting decision

    4 Crane Avenue, Isleworth, TW7 7JL

    Erection of a part single storey rear extension to the house of occupation.

    29 Jul 2026 Full applications
  • P/2026/1729 Granted

    Blenheim Place, Flat 15, Steve Biko Way,Hounslow,TW3 3ED

    Installation of two rear roof windows to the flat

    11 Jun 2026 Full applications
  • P/2026/0725 Refused

    Unit 6 Worton Hall Industrial Estate, Worton Road, Isleworth, TW7 6ER

    Retrospective application for the installation of two stacked storage containers in two locations

    3 Mar 2026 Full applications
  • P/2026/2180 Awaiting decision

    50 Barrowgate Road, Chiswick, London, W4 4QY

    Formation of vehicular access to the flats

    27 Jul 2026 Full applications
  • P/2026/1694 Refused

    Oxbridge Court Oxford Road North Chiswick London Hounslow W4 4DP

    Erection of a fourth floor level comprising of six self contained units with associated cycle and refuse storage.

    8 Jun 2026 Full applications