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Planning application

Haymarket House 28-29 Haymarket London SW1Y 4SP

Granted Westminster 22/01937/FULL Full Planning Permission Application

Works: Extension

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

Proposal

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.

As published by the council, reference 22/01937/FULL

Application record

Reference
22/01937/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
22 Mar 2022
Validated
22 Mar 2022
Decided
29 Jul 2022
Ward
St James's
Decision by
Delegated Decision
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 Decided

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    Detailed drawings 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
  • 26/03318/ADFULL Awaiting decision

    Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    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).

    Submitted 19 May 2026 Full applications
  • 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

Timeline

Dates from the published record

  1. 22 Mar 2022

    Received by Westminster

  2. 29 Jul 2022

    Decision issued: Application Permitted

  3. 29 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

95 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 this grant of permission means

Westminster granted permission on 29 July 2022, 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

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

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

    82% 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

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

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

    88% 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

  • 30 - 31 Haymarket London SW1Y 4EX

    26/01900/ADFULL Submitted 24 Mar 2026 50 yards away

    88% historically approved · decision due ~19 May

    Details of an approval in writing by the local planning authority and detailed design and construction method statements for all the ground floor structures, foundations and basements and for any other structures below ground level, including piling (temporary and permanent) pursuant to conditions 20, 21 of planning permission dated 18th March 2026 (RN 25/01799/FULL)

    Awaiting decision Full applications 14 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

    Detailed drawings 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).

    Decided Windows or glazing

  • Haymarket House 28 - 29 Haymarket London SW1Y 4SP

    26/03318/ADFULL Submitted 19 May 2026 50 yards away

    88% historically approved · decision due ~21 Jul

    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).

    Awaiting decision Full applications 4 docs

In Westminster

  • 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
  • 26/07460/FULL Awaiting decision

    1 Hanover Square London W1S 1HA

    Installation of new public art sculptures and seating; hard and soft landscaping; installation of an area of raised terrace decking on St George Street measuring 43m x 2.6m for the placing of tables, chairs and banquette benches in connection with restaurant use; and associated external alterations and enabling works.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07451/FULL Awaiting decision

    Flat 1 31 South Audley Street London W1K 2PG

    Replacement of windows, Installation of an external condenser to the rear elevation including Internal refurbishment. (linked with 26/07452/LBC)

    Received 2 Nov, published by the council 4 Nov 2026 Full applications
  • 26/07443/FULL Awaiting decision

    150 Great Portland Street London W1W 6QD

    Installation of three air conditioning condenser units to the lower ground floor rear courtyard, incluidng erection of a plunge pool. (retrospective)

    Received 2 Nov, published by the council 4 Nov 2026 Full applications
  • 26/06234/FULL Decided

    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