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Planning application

Flat D 29 Eaton Square London SW1W 9DF

Awaiting decision Westminster 26/03636/LBC Listed Building Consent Application

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

Proposal

Replacement of two air conditioning units and installation of one new air conditioning unit; new joinery to small bedroom.

As published by the council, reference 26/03636/LBC

Application record

Reference
26/03636/LBC
Type
Listed Building Consent Application
Status
Pending
Received
3 Jun 2026
Validated
5 Jun 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1W 9DF

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 25/05748/LBC Granted

    Flat D 29 Eaton Square London SW1W 9DF

    Minor internal alteration work, including new library joinery and redecoration throughout

    Decided 2 Oct 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 3 Jun 2026

    Received by Westminster

  2. 5 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 31 July 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 91 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Bolton Chalklin Architects Agent, an architecture practice registered in London

Active · incorporated 2013 · London

8 applications on PlanIndex · across 6 councils

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

15 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 119 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

  • Flat D 29 Eaton Square London SW1W 9DF

    25/05748/LBC Submitted 14 Aug 2025 50 yards away

    Minor internal alteration work, including new library joinery and redecoration throughout

    Granted Heritage and listed buildings 20 docs
  • Flat P 33 Eaton Square London SW1W 9DH

    26/02631/FULL Submitted 21 Apr 2026 50 yards away

    88% historically approved · decision due ~19 Jun

    Removal of windows to the rear lower ground floor, insertion of French doors to the rear, minor internal reconfigurations and installation of air source heat pump to the rear garden.

    Awaiting decision Full applications Windows or glazing 28 docs
  • Flat P 33 Eaton Square London SW1W 9DH

    26/02632/LBC Submitted 21 Apr 2026 50 yards away

    90% historically approved · decision due ~19 Jun

    Removal of windows to the rear lower ground floor, insertion of French doors to the rear, minor internal reconfigurations and installation of air source heat pump to the rear garden.

    Awaiting decision Heritage and listed buildings Windows or glazing 24 docs
  • 27 Eaton Square London SW1W 9DF

    26/05997/TCA Submitted 2 Sep 2026 50 yards away

    100% historically approved · decision due ~28 Oct

    1 x silver birch (T816): Reduce crown back to the most recent, previous reduction points, reducing the height by around 3m and the branch length by around 1.5m.

    Decided Trees
  • Eaton Square London

    26/03539/TPO Submitted 29 May 2026 50 yards away

    100% historically approved · decision due ~24 Jul

    T903 - Prunus cerasifera 'Pissardii' & T904 - Cerasus serrulata 'Kanzan': Lift low canopy, pedestrian clearance - to 2.5 m over footpath. T982 - Cotoneaster sp.: Reduce crown by specified extent - removing the dead northern stem and reducing the canopy of the central and southern stems, by 2 m in height to reduce loading and minimise the potential for stem failure onto parked cars and garden footpath. T7442 - Ailanthus altissima: Reduce crown by specified extent - reduce crown to most recent, previous reduction points (4 - 5 m), continuing established management and minimising the potential for branch failure on to recreational area, footpaths and road.

    Awaiting decision Trees 4 docs
  • 34 Eaton Square London SW1W 9DH

    23/04802/TCA Submitted 12 Jul 2023 50 yards away

    T1 Magnolia: Fell to ground level Reasons: Leaning supressed tree, poor form and unsuitable location.

    Withdrawn Trees 4 docs

In Westminster

  • 26/05473/LBC Decided

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

    Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/07390/LBC Awaiting decision

    40 Wigmore Street London W1U 2RX

    Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

    29 Oct 2026 Heritage and listed buildings
  • 26/07372/LBC Awaiting decision

    8A Randolph Road London W9 1AN

    Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07371/FULL)

    Received 28 Oct, published by the council 2 Nov 2026 Heritage and listed buildings
  • 26/07332/LBC Awaiting decision

    Royal Courts Of Justice Strand London WC2A 2LL

    Replacement of one platform lift within the grade 1 listed Royal Court?s of Justice building.

    Received 27 Oct, published by the council 30 Oct 2026 Heritage and listed buildings
  • 26/07336/LBC Awaiting decision

    Charing Cross Hotel Strand London WC2N 5HX

    Installation of replacement timber handrail and brackets to one flight of main staircase.

    Received 27 Oct, published by the council 30 Oct 2026 Heritage and listed buildings