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Planning application

Haymarket House 28 - 29 Haymarket London SW1Y 4SP

Awaiting decision Westminster 26/03318/ADFULL Approval of Details (Full PP)

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

Proposal

Details of a completed Appendix A checklist from the Code of Construction Practice, signed by the applicant and approved by the Council's Environmental Sciences Team pursuant to Condition 3 of planning permission dated 15 January 2025 (24/02980/FULL).

As published by the council, reference 26/03318/ADFULL

Application record

Reference
26/03318/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
19 May 2026
Validated
26 May 2026
Ward
St James's
Postcode
SW1Y 4SP

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2022: 1 approved, 1 refused.

  • 26/06110/ADFULL Awaiting decision

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Details of a mock-up on site showing the treatment and relationship of the partitions to the windows pursuant to condition 20 of planning permission dated 15 January 2025 (24/02980/FULL).

    Submitted 7 Sep 2026
  • 26/06078/ADFULL Awaiting decision

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Details of existing and proposed drawings and full height sections (at a scale of 1:10) of the windows to first floor level and above demonstrating that the proposed windows match the existing frame sizes, glazing bars and profiles as closely as possible pursuant to Condition 5(c) of planning permission dated 15 January 2025 (24/02980/FULL).

    Submitted 4 Sep 2026
  • 26/01271/ADV Awaiting decision

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Display of externally illuminated projecting sign measuirng 0.42m X 0.62m, 0.425m X 0.62m, internally illuminated fascia sign measuring 3.167m X 1.2m, 1.65m X 0.77m, internally illuminated other sign measuring 0.525m X 0.84m, non illuminated other sign 4.45m X 1.06m and 1.57m X 0.88m (linked to 26/01270/FULL)

    Submitted 27 Feb 2026 Advertising
  • 26/01270/FULL Awaiting decision

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Alterations to the existing shopfront on the Haymarket elevation to include a new glazed shopfront with new entrance doors and the installation of fixed window boxes above the new entrance door and adjoining glazed shopfront, new entrance door to the corner entrance and installation of a new louvred grill panel to the shopfront window on the Shavers Place elevation. Installation of four new fixed uplighters to the ground floor Haymarket elevation. (Linked to 26/01271/ADV)

    Submitted 27 Feb 2026 Full applications
  • 26/00010/ADFULL Refused

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Details of signed CoCP Appendix A checklist pursuant to Condition 3 of planning permission dated 15 January 2025 (24/02980/FULL).

    Decided 27 Mar 2026 Full applications
  • 22/01937/FULL Granted

    Haymarket House 28-29 Haymarket London SW1Y 4SP

    Ground and basement level alterations and reconfiguration to facilitate enhanced associated facilities at basement level and an enhanced office entrance to Haymarket and Oxendon Street, laterall infill office extensions at 2nd to 7th floor levels, rooftop extension at 8th floor level for office use ( Class E) and associated lift core.

    Decided 29 Jul 2022 Full applications

Timeline

Dates from the published record

  1. 19 May 2026

    Received by Westminster

  2. 26 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 21 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Criterion Capital Agent, registered in London

Active · incorporated 2006 · London

6 applications on PlanIndex · across 3 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

4 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

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/00010/ADFULL Submitted 5 Jan 2026 50 yards away

    Details of signed CoCP Appendix A checklist pursuant to Condition 3 of planning permission dated 15 January 2025 (24/02980/FULL).

    Refused Full applications 9 docs

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/06110/ADFULL Submitted 7 Sep 2026 50 yards away

    89% historically approved · decision due ~5 Nov

    Details of a mock-up on site showing the treatment and relationship of the partitions to the windows pursuant to condition 20 of planning permission dated 15 January 2025 (24/02980/FULL).

    Awaiting decision Windows or glazing

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/06078/ADFULL Submitted 4 Sep 2026 50 yards away

    89% historically approved · decision due ~10 Nov

    Details of existing and proposed drawings and full height sections (at a scale of 1:10) of the windows to first floor level and above demonstrating that the proposed windows match the existing frame sizes, glazing bars and profiles as closely as possible pursuant to Condition 5(c) of planning permission dated 15 January 2025 (24/02980/FULL).

    Awaiting decision Windows or glazing

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/01270/FULL Submitted 27 Feb 2026 50 yards away

    87% historically approved · decision due ~24 Apr

    Alterations to the existing shopfront on the Haymarket elevation to include a new glazed shopfront with new entrance doors and the installation of fixed window boxes above the new entrance door and adjoining glazed shopfront, new entrance door to the corner entrance and installation of a new louvred grill panel to the shopfront window on the Shavers Place elevation. Installation of four new fixed uplighters to the ground floor Haymarket elevation. (Linked to 26/01271/ADV)

    Awaiting decision Full applications Windows or glazing 10 docs

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/01271/ADV Submitted 27 Feb 2026 50 yards away

    84% historically approved · decision due ~24 Apr

    Display of externally illuminated projecting sign measuirng 0.42m X 0.62m, 0.425m X 0.62m, internally illuminated fascia sign measuring 3.167m X 1.2m, 1.65m X 0.77m, internally illuminated other sign measuring 0.525m X 0.84m, non illuminated other sign 4.45m X 1.06m and 1.57m X 0.88m (linked to 26/01270/FULL)

    Awaiting decision Advertising 10 docs

  • Panton House 25 Haymarket London SW1Y 4EN

    04/00876/TCH Submitted 5 Feb 2004 50 yards away

    Use of an area of the public highway measuring 1.0m x 4.0m on the Panton Street elevation for the placing of 3 tables and 6 chairs in connection with Strada Restaurant.

    Refused 4 docs

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