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Planning application

15 Halkin Mews London SW1X 8JZ

Awaiting decision Westminster 25/08066/LBC Listed Building Consent Application

Works: Windows or glazing

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

Proposal

Installation of two sets of traditional-style window security bars to the existing ground floor front windows.

As published by the council, reference 25/08066/LBC

Application record

Reference
25/08066/LBC
Type
Listed Building Consent Application
Status
Pending
Received
5 Nov 2025
Validated
6 Nov 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8JZ

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 25/08082/FULL Awaiting decision

    15 Halkin Mews London SW1X 8JZ

    Installation of two sets of traditional-style window security bars to the existing ground floor front windows.

    Submitted 6 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 5 Nov 2025

    Received by Westminster

  2. 6 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 20 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 1 January 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 66 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Peek Architecture Ltd Agent, an architecture practice

75 applications on PlanIndex · across 6 councils · 76% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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.

Watch members (£5 a month) open the document list from here.

Open the documents

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 94 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 0.3 miles

  • 15 Halkin Mews London SW1X 8JZ

    25/08082/FULL Submitted 6 Nov 2025 50 yards away

    87% historically approved · decision due ~1 Jan

    Installation of two sets of traditional-style window security bars to the existing ground floor front windows.

    Awaiting decision Full applications Windows or glazing 10 docs

  • 5A Motcomb Street London SW1X 8JU

    23/04821/TCA Submitted 13 Jul 2023 50 yards away

    T1253 1 x Robinia pseudoacacia (Golden False Acacia) - Prune from adjacent structure to clear building and chimney by 1.5 m, removing regrowth only.

    Granted Trees 6 docs

  • Flat 3 Carysfort House West Halkin Street London SW1X 8JS

    26/05492/FULL Submitted 12 Aug 2026 50 yards away

    87% historically approved · decision due ~7 Oct

    Replacement of single glazed windows at the ground floor flat front elevation, with slimline double glazed windows in matching style.

    Awaiting decision Full applications Windows or glazing

  • Flat 3 Carysfort House West Halkin Street London SW1X 8JS

    26/05493/LBC Submitted 12 Aug 2026 50 yards away

    90% historically approved · decision due ~7 Oct

    Replacement of single glazed windows at the ground floor flat front elevation, with slimline double glazed windows in matching style.

    Awaiting decision Heritage and listed buildings Windows or glazing

  • Flat 4 16 West Halkin Street London SW1X 8JL

    25/07921/FULL Submitted 31 Oct 2025 50 yards away

    Creation of terrace on flat roof and replacement of a window with a door to access the terrace.

    Withdrawn Full applications Windows or glazing 20 docs

  • 12 Belgrave Square London SW1X 8PN

    25/08089/TDD Submitted 5 Nov 2025 50 yards away

    100% historically approved · decision due ~31 Dec

    Proposal is 1 x false acacia - fell.

    Awaiting decision Trees 1 doc

In Westminster

  • 26/04878/LBC Decided

    34 Grosvenor Street London W1K 4QU

    Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

    Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
  • 26/06299/LBC Awaiting decision

    Apartment 33 24 Park Crescent London W1B 1AA

    Alterations to internal partitions, door openings, doors and floor finishes.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06305/LBC Awaiting decision

    33A Dean Street London W1D 4PP

    Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06318/LBC Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/04141/LBC Decided

    80E Randolph Avenue London W9 1BG

    Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

    Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings