1 Hanover Square London W1S 1HA

26/06264/ADFULLPending Decision

Discharge / amendments

Proposal

Details of a written scheme of investigation for a programme of archaeological work; pursuant to condition 4 (parts b and c) of planning permission dated 10th October 2025 (RN: 25/01558/FULL)

Received: 14 September 2026
Public comments: 0 · last counted 7 October 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.

ReceivedSubmitted14 Sep
ValidatedValidated14 Sep
Consult.Consultation
TargetTarget Date
DecidedDecided

This is a planning application at 1 Hanover Square London W1S 1HA. Westminster has handled 26,489 applications of this type and approves 88% of them, typically deciding them in 54 days. It was submitted on 14 September 2026 and is still awaiting a decision. The site is in the Mayfair conservation area, with 12 listed buildings nearby. There have been 7 other applications at this address. We hold 773 applications in total for the W1S postcode area.

Application Details

Reference

26/06264/ADFULL

Address

1 Hanover Square London W1S 1HA

Postcode

W1S 1HA

Local Authority

Westminster

Decision Status

Undecided

Current Status

Pending

Applicant & Agent

Planning Application Dates

Date Received

14 September 2026

Date Validated

14 September 2026

Date Submitted

14 September 2026

Planning Decision

Publicity

Appeal

Additional Information

Documents

Coordinates

51.513390, -0.143087

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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Associated applications

Planning history at this site

7 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: Mayfair
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (22)

flood storage areas, listed buildings, 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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