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Planning application

54 Chester Square London SW1W 9EA

Awaiting decision Westminster 26/01216/FULL Full Planning Permission Application

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

Proposal

Removal of existing front lightwell and roof level air-conditioning units, installation of two new air-conditioning units and acoustic enclosure at main roof level, and removal and replacement of external CCTV cameras.

As published by the council, reference 26/01216/FULL

Application record

Reference
26/01216/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Feb 2026
Validated
2 Apr 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1W 9EA

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 3 approved, 0 refused.

  • 26/01509/ADFULL Granted

    54 Chester Square London SW1W 9EA

    Detailed drawings of new infill roof and boundary wall trellis pursuant to Condition 4 of planning permission dated 20th February 2026 (RN: 25/08369/FULL).

    Decided 20 Mar 2026 Full applications
  • 26/01612/ADLBC Awaiting decision

    54 Chester Square London SW1W 9EA

    Detailed drawings of new infill roof, boundary wall / trellis pursuant to condition 4 of listed building consent dated 20th February 2026 (RN: 25/08370/LBC). Linked to 26/01509/ADFULL.

    Submitted 9 Mar 2026 Conditions
  • 26/01217/LBC Awaiting decision

    54 Chester Square London SW1W 9EA

    Removal of existing front lightwell and roof level air-conditioning units, installation of two new air-conditioning units and acoustic enclosure at main roof level, and removal and replacement of external CCTV cameras. Associated internal works using existing service routes. (Linked to RN: 26/01216/FULL).

    Submitted 26 Feb 2026 Heritage and listed buildings
  • 25/08370/LBC Granted

    54 Chester Square London SW1W 9EA

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terrace areas, infilling two extract grilles, window replacements and internal alterations & refurbishment.

    Decided 20 Feb 2026 Heritage and listed buildings
  • 25/08369/FULL Granted

    54 Chester Square London SW1W 9EA

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terrace areas, infilling two extract grilles and replacement of windows.

    Decided 20 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 26 Feb 2026

    Received by Westminster

  2. 2 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 28 May 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.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/01217/LBC Awaiting decision

    54 Chester Square London SW1W 9EA

    Removal of existing front lightwell and roof level air-conditioning units, installation of two new air-conditioning units and acoustic enclosure at main roof level, and removal and replacement of external CCTV cameras. Associated internal works using existing service routes. (Linked to RN: 26/01216/FULL).

    Submitted 26 Feb 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Smith Jenkins Ltd Agent, registered in Milton Keynes

Active · incorporated 2012 · Milton Keynes

179 applications on PlanIndex · across 37 councils · 82% 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

41 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 full applications in a median of 119 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 54 Chester Square London SW1W 9EA

    26/01217/LBC Submitted 26 Feb 2026 50 yards away

    90% historically approved · decision due ~28 May

    Removal of existing front lightwell and roof level air-conditioning units, installation of two new air-conditioning units and acoustic enclosure at main roof level, and removal and replacement of external CCTV cameras. Associated internal works using existing service routes. (Linked to RN: 26/01216/FULL).

    Awaiting decision Heritage and listed buildings 36 docs

  • 54 Chester Square London SW1W 9EA

    25/08370/LBC Submitted 17 Nov 2025 50 yards away

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terrace areas, infilling two extract grilles, window replacements and internal alterations & refurbishment.

    Granted Heritage and listed buildings Extension Roofing +1 36 docs

  • 54 Chester Square London SW1W 9EA

    25/08369/FULL Submitted 17 Nov 2025 50 yards away

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terrace areas, infilling two extract grilles and replacement of windows.

    Granted Full applications Extension Roofing +1 41 docs

  • 47 Chester Square London SW1W 9EA

    26/05757/LBC Submitted 21 Aug 2026 50 yards away

    90% historically approved · decision due ~16 Oct

    Investigation of dampness and damp-proofing / waterproofing works to the lower ground floor.

    Decided Heritage and listed buildings 11 docs

  • 47 Chester Square London SW1W 9EA

    26/04643/ADLBC Submitted 10 Jul 2026 50 yards away

    89% historically approved · decision due ~4 Sep

    Details of the front entrance to be simplified to reflect a more traditional modest mews style and the existing entrance pursuant to condition 8 of listed building consent dated 11 June 2026 (RN: 25/08226/LBC).

    Decided

  • 47 Chester Square London SW1W 9EA

    26/05730/ADFULL Submitted 21 Aug 2026 50 yards away

    89% historically approved · decision due ~16 Oct

    Detailed drawings and a bio-diversity management plan in relation to the green roof, pursuant to condition 13 of planning permission dated 11th June 2026 (25/08223/FULL)

    Decided

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications