100 Piccadilly London W1J 7NH

25/06322/FULLFull Planning Permission ApplicationApproved

Full

Approved on 20 May 2026

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.

Proposal

Variation of condition 52 of planning permission dated 8th November 2023 (RN 22/06965/FULL) for the Variation of condition 1 of planning permission dated 6th August 2020 (RN:19/08291/FULL) for the Variation of condition 1 and removal of condition 34 of planning permission dated 22nd December 2016 (RN: 15/06446/FULL) for Excavation of a sub-basement, redevelopment of nos. 5 - 6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement, ground and fourth floor levels. Use of extended and altered building as 36x flats (Class C3) (an additional 28 above existing), car / cycle parking and a shop (Class A1) or financial and professional institution (Class A2) at part ground floor level. Internal alterations. (site comprises 96-100 Piccadilly and 5 - 6 Yarmouth Place). NAMELY; to increase the number of residential units to 36, to align with the original consent; Increase in commercial floor space; Internal adjustments at all levels, including removal of basement car park and car lift; Design adjustments to balustrading and new residential entrance on White Horse Street.

Received: 5 September 2025
Council: City of Westminster
Ward: West End

ReceivedReceived5 Sep
ValidatedValidated5 Sep
Consult.Consultation
TargetTarget Date5 Dec
DecidedDecided20 May

Decided in 257 days (council typically 49)

About this application

This is a full planning application for an extension at 100 Piccadilly London W1J 7NH. Westminster has handled 4,484 applications of this type. This one was decided in 257 days, 30 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 13 listed buildings nearby. There have been 14 other applications at this address. In the past year there have been 484 applications across West End. We hold 935 applications in total for the W1J postcode area.

86% of full applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode: W1J 7NH
Application type: Full Planning Permission Application
Scale / size: Large
Number of dwellings: 36

Planning application dates

Date validated: 5 September 2025
Target decision date: 5 December 2025

Applicant and agent

Agent: Savills
Agent address: 33 Margaret Street London W1G 0JD United Kingdom

Planning decision

Statutory period: 91 days

Additional information

Planning Portal ID: PP-13996374
Comments: 0
Documents: 53

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Mayfair
Listed building: Grade II: 96 and 97, Piccadilly W1On this site · +3 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Brownfield land register: 100 Piccadilly London W1J 7NHRegister site at or near this address · +1 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

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 and heritage coasts.

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

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© 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 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

16 other applications at this property, newest first.

Source: Westminster

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near W1J

New planning applications delivered to your inbox daily.

Around this site

Nearby applications

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Consultants on this application

Savills (UK) Ltd · Agent for this application

Contractors near this project

Find contractors for extensions near this site

View all contractors

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report