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Planning application

54 Chester Square London SW1W 9EA

Granted Westminster 26/01509/ADFULL Approval of Details (Full PP)

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Relates to 25/08369/FULL

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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).

As published by the council, reference 26/01509/ADFULL

Application record

Reference
26/01509/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
9 Mar 2026
Validated
11 Mar 2026
Decided
20 Mar 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
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.

  • 26/01612/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
  • 25/08369/FULL 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 and replacement of windows. (Linked with 25/08370/LBC)

    Submitted 17 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 9 Mar 2026

    Received by Westminster

  2. 11 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Mar 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/08369/FULL 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 and replacement of windows. (Linked with 25/08370/LBC)

    Submitted 17 Nov 2025 Full applications

1 later application on the register refers to this one:

  • 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

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

14 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.

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Open the documents

What this grant of permission means

Westminster granted permission on 20 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 47 Chester Square London SW1W 9EA

    26/00891/ADFULL Submitted 12 Feb 2026 50 yards away

    87% historically approved · decision due ~9 Apr

    Details of signed Appendix A pursuant to Condition 9 of planning permission dated 10 September 2025 (RN24/05375/FULL)

    Awaiting decision Full applications 4 docs

  • 60 Chester Square London SW1W 9EA

    26/01153/ADFULL Submitted 24 Feb 2026 50 yards away

    Details of CCTV fixtures showing their design, size and position, and relationship with existing architectural detailing and dormers pursuant to condition 4 parts 1 and 3 and, photo sample of roofing slate pursuant to part-discharge of condition 5 of planning permission dated 11th November 2025 (RN: 25/06259/FULL).

    Refused Full applications Loft or dormer 15 docs

  • 47 Chester Square London SW1W 9EA

    25/08140/ADFULL Submitted 7 Nov 2025 50 yards away

    87% historically approved · decision due ~2 Jan

    Details of contaminated land investigation pursuant to Condition 8 (phase 1-3) of planning permission dated 10th September 2025 (RN: 24/05375/FULL).

    Awaiting decision Full applications 11 docs

  • 47 Chester Square London SW1W 9EA

    26/02962/ADFULL Submitted 6 May 2026 50 yards away

    87% historically approved · decision due ~1 Jul

    Details of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to discharge of condition 4 of planing permission dated 10th September 2025 (RN: 24/05476/LBC). Linked to 26/02877/ADLBC

    Awaiting decision Full applications Windows or glazing 6 docs

  • 47 Chester Square London SW1W 9EA

    26/02877/ADLBC Submitted 1 May 2026 50 yards away

    90% historically approved · decision due ~1 Jul

    Details of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to discharge of condition 3 of listed building consent dated 10th September 2025 (RN: 24/05476/LBC). Linked to 26/02962/ADFULL

    Awaiting decision Conditions Windows or glazing 7 docs

  • 54 Chester Square London SW1W 9EA

    26/01612/ADLBC Submitted 9 Mar 2026 50 yards away

    90% historically approved · decision due ~6 May

    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.

    Awaiting decision Conditions Extension 11 docs
    Small domestic

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
  • 26/06234/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
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    Received 1 Jun, published by the council 11 Sep 2026 Full applications