28, 29, Haymarket, SW1Y 4SP

26/03318/ADFULLAll OtherPermitted

Discharge / amendments

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).

Received: 26 May 2026
Decided: 24 June 2026
Council: City of Westminster

Approximate site (title boundary)

Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

ReceivedSubmitted26 May
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided24 Jun

Decided in 29 days (council typically 49)

7 weeks typical decision time in Westminster92% of all other applications approved

This is a planning application at 28, 29, Haymarket, SW1Y 4SP. Westminster has handled 1,469 applications of this type and approves 92% of them, typically deciding them in 38 days. This one was decided in 29 days, 9 days quicker than Westminster's median. The site is in the Haymarket conservation area, with 14 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 190 applications across SJW_22. We hold 961 applications in total for the SW1Y postcode area.

Application Details

Reference

26/03318/ADFULL

Address

28, 29, Haymarket, SW1Y 4SP

Postcode

SW1Y 4SP

Local Authority

Westminster

Application Type

All Other

Decision Status

Permitted

Applicant & Agent

Planning Application Dates

Date Decided

24 June 2026

Date Submitted

26 May 2026

Planning Decision

Publicity

Appeal

Additional Information

Coordinates

51.509632, -0.132532

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Planning history at this site

6 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: Haymarket
Listed building: Grade II: 8, Oxendon Street Sw1On or next to this site
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (21)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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