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Planning application

54 Chester Square London SW1W 9EA

Awaiting decision Westminster 25/08369/FULL Full Planning Permission Application

Works: Extension Roofing Windows or glazing

Relates to 25/08370/LBC

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

Proposal

Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terraces, infilling two extract grilles in rear elevation and replacement of windows. (Linked with 25/08370/LBC)

As published by the council, reference 25/08369/FULL

Application record

Reference
25/08369/FULL
Type
Full Planning Permission Application
Status
Pending
Received
17 Nov 2025
Validated
17 Nov 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1W 9EA

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 1 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
  • 26/01216/FULL 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.

    Submitted 26 Feb 2026 Full applications
  • 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 Awaiting decision

    54 Chester Square London SW1W 9EA

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terraces, infilling two extract grilles in rear elevation, window replacements and internal alterations & refurbishment. (Linked with 25/08369/FULL)

    Submitted 17 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 17 Nov 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 12 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 65 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 25/08370/LBC Awaiting decision

    54 Chester Square London SW1W 9EA

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terraces, infilling two extract grilles in rear elevation, window replacements and internal alterations & refurbishment. (Linked with 25/08369/FULL)

    Submitted 17 Nov 2025 Heritage and listed buildings

2 later applications on the register refer to this one:

  • 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
  • 25/08370/LBC Awaiting decision

    54 Chester Square London SW1W 9EA

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terraces, infilling two extract grilles in rear elevation, window replacements and internal alterations & refurbishment. (Linked with 25/08369/FULL)

    Submitted 17 Nov 2025 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

174 applications on PlanIndex · across 36 councils · 81% 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

35 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 91 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

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

    90% historically approved · decision due ~12 Jan

    Replacement roof to existing rear link extension to extend existing roof terrace with associated alterations to existing roof terraces, infilling two extract grilles in rear elevation, window replacements and internal alterations & refurbishment. (Linked with 25/08369/FULL)

    Awaiting decision Heritage and listed buildings Extension Roofing +1 30 docs

  • 54 Chester Square London SW1W 9EA

    26/01216/FULL Submitted 26 Feb 2026 50 yards away

    87% 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.

    Awaiting decision Full applications 41 docs

  • 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

  • 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

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06222/FULL Awaiting decision

    42 - 49 St Martin's Lane London WC2N 4EJ

    Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

    Received 11 Sep, published by the council 21 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications