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39 - 40 New Bond Street London

26/01899/LBCApproved

Approved on 29 June 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Installation of plant at roof level within existing acoustic enclosure, new intake and extract louvres within existing openings, and associated pipework and servicing infrastructure. Installation of new HVAC and M&E systems, raised access flooring, new lighting and fit-out, formation of meeting rooms, and refurbishment of the ground floor entrance lobby; together with external alterations comprising. Internal and external refurbishment works, including full internal strip-out and reconfiguration at Levels 3 and 5. (Linked with 26/01898/FULL)

Received
24 March 2026
  1. Received24 Mar
  2. Validated24 Mar
  3. Consult.
  4. Target
  5. Decided29 Jun

Decided in 97 days

About this application

This is a planning application at 39 - 40 New Bond Street London. Westminster has handled 27,078 applications of this type. This one was decided in 97 days, 7 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address.

Application details

Planning application dates

Date validated
24 March 2026

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: 39-42, New Bond StreetOn or next to this site · +2 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Brownfield land register: Nash House, 13 St George Street London W1S 1FERegister site at or near this address
  • 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.

© 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
    24 Mar

    Installation of plant at roof level within existing acoustic enclosure, new intake and extract louvres within…

    ApprovedApplicationPart of26/01898/FULL
  2. 2026
    24 Mar

    Installation of plant at roof level within existing acoustic enclosure, new intake and extract louvres within…

    This applicationApprovedListed building consent26/01899/LBC

Source: Westminster

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

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