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Planning application

18 Warwick Avenue London W9 2PT

Awaiting decision Westminster 26/05489/LBC Heritage and listed buildings

Works: Extension

Relates to 26/05488/FULL

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Internal and external alterations, repairs and refurbishment, including extension at lower ground floor level, side extension at ground and first floor level, creation of a basement and other works incidental to the development. (Linked to 26/05488/FULL)

As published by the council, reference 26/05489/LBC

Application record

Reference
26/05489/LBC
Category
Heritage and listed buildings
Status
Pending
Received
12 Aug 2026
Validated
12 Aug 2026
Postcode
W9 2PT

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/05488/FULL Awaiting decision

    18 Warwick Avenue London W9 2PT

    Internal and external alterations, repairs and refurbishment, including extension at lower ground floor level, side extension at ground and first floor level, creation of a basement and other works incidental to the development. (Linked to 26/05489/LBC)

    Submitted 12 Aug 2026 Full applications

Timeline

Dates from the published record

  1. 12 Aug 2026

    Received by Westminster

  2. 18 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 7 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 61 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/05488/FULL Awaiting decision

    18 Warwick Avenue London W9 2PT

    Internal and external alterations, repairs and refurbishment, including extension at lower ground floor level, side extension at ground and first floor level, creation of a basement and other works incidental to the development. (Linked to 26/05489/LBC)

    Submitted 12 Aug 2026 Full applications

1 later application on the register refers to this one:

  • 26/05488/FULL Awaiting decision

    18 Warwick Avenue London W9 2PT

    Internal and external alterations, repairs and refurbishment, including extension at lower ground floor level, side extension at ground and first floor level, creation of a basement and other works incidental to the development. (Linked to 26/05489/LBC)

    Submitted 12 Aug 2026 Full applications

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 87 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

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    26/00748/TCA Submitted 9 Feb 2026 0m away

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