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6 - 8 Mill Street London W1S 2AZ

25/06233/FULLApproved

Approved on 17 March 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Installation of a metal framed structure, with part glazed and part retractable awning roof to first floor rear roof terrace, including some additional heaters and associated works.

Received
2 September 2025
  1. Received2 Sep
  2. Validated19 Nov
  3. Consult.
  4. Target
  5. Decided17 Mar

Decided in 118 days

About this application

This is a planning application at 6 - 8 Mill Street London W1S 2AZ. Westminster has handled 27,078 applications of this type. This one was decided in 118 days, 10 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 15 listed buildings nearby. There has been 1 other application at this address. We hold 791 applications in total for the W1S postcode area.

Application details

Postcode
W1S 2AZ

Planning application dates

Date validated
19 November 2025

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: 20, Conduit Street W1On 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.

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.

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

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

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.

Associated applications

  1. 2026
    29 Apr

    Detailed drawings of the fixed glazed awning and retractable awning pursuant to condition 3 of planning…

    ApprovedDischarge of conditions26/02839/ADFULL
  2. 2025
    19 Nov

    Installation of a metal framed structure, with part glazed and part retractable awning roof to first floor…

    This applicationApprovedApplication25/06233/FULL

Source: Westminster

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

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