Haymarket House 28 - 29 Haymarket London SW1Y 4SP

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

• 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
• 26/03318/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
• 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

1. 7 Sep 2026

   Received by Westminster

2. 10 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 5 November 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.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 65 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 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

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

  87% 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

• 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

  26/01270/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

• 30 - 31 Haymarket London SW1Y 4EX

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

  87% 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