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The Royal Mews London

15/11058/NMANon-material amendmentsApproved
Discharge / amendments

Approved on 14 December 2015

Council decision: Application PermittedDelegated (officer decision)

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

Amendments to planning permission dated 12 June 2015 (RN: 15/03407/FULL) for replacement of a metal stair from ground level to basement level moat, installation of an extract fan in an existing basement level window and installation of three external chiller units. Internal alterations including new openings in structural walls at basement level, and new layout at basement and ground floor levels.namely, relocation of ground floor stair and insertion of 2 vents in basement window.

Received
12 November 2015
Decision level
Delegated (officer decision)
Ward
St James's
Agent
BLB Architects Limited
  1. Received12 Nov
  2. Validated12 Nov
  3. Consult.
  4. Target10 Dec
  5. Decided14 Dec

Decided in 32 days (council typically 49)

About this application

This is an application to amend a permission at The Royal Mews London. Westminster has handled 604 applications of this type. This one was decided in 32 days, 2 weeks quicker than Westminster's typical decision time. The site is in the Royal Parks conservation area, with 5 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 478 applications across St James's.

88% of amendment 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.Planning something similar? See what gets approved on your street

Application details

Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
12 November 2015
Target decision date
10 December 2015
Decision issued
15 December 2015

Applicant and agent

Agent
BLB Architects Limited
Agent address
Burnhill Business Centre Provident House Burrell Row Beckenham BR3 1AT

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-04555269
Comments
0
Documents
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Also checked, none recorded (20)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, 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.

Planning history at this site

5 other applications at this property, newest first.

  1. 2016
    3 Mar

    External alterations of the Buckingham Palace Mews including repair and replacement of existing roof covering…

    ApprovedListed building consent16/01902/LBC
  2. 2014
    26 Mar

    Installation of roof access hatch, stair and railing above 52 The Royal Mews.

    ApprovedApplication for full Planning Permission14/02833/FULL
  3. 2014
    26 Mar

    Installation of roof access hatch, stair and railing with associated internal alterations above 52 The Royal…

    ApprovedListed building consent14/02834/LBC
  4. 2014
    7 Mar

    Alterations to The Ascot Harness Room including new roof slates (to replace glass), guttering and flashings…

    ApprovedApplication for full Planning Permission14/02185/FULL
  5. 2014
    7 Mar

    Alterations to The Ascot Harness Room including new roof slates (to replace glass), guttering and flashings…

    ApprovedListed building consent14/02186/LBC

Source: Westminster

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

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