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20 King Street St James's London SW1Y 6QY

23/04001/FULLFull Planning Permission ApplicationApproved
Full

Approved on 20 July 2023

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

Installation of roof mounted condensing unit.

Received
14 June 2023
Decision level
Delegated (officer decision)
Public comments
1
Ward
St James's
Agent
Solve Planning Ltd
  1. Received14 Jun
  2. Validated14 Jun
  3. Consult.
  4. Target9 Aug
  5. Decided20 Jul

Decided in 36 days (council typically 49)

About this application

This is a full planning application at 20 King Street St James's London SW1Y 6QY. Westminster has handled 4,484 applications of this type. This one was decided in 36 days, 13 days quicker than Westminster's typical decision time. The site is in the St James's conservation area, with 20 listed buildings nearby. There have been 6 other applications at this address. In the past year there have been 475 applications across St James's. We hold 969 applications in total for the SW1Y 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.Planning something similar? See what gets approved on your street

Application details

Postcode
SW1Y 6QY
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
14 June 2023
Target decision date
9 August 2023

Applicant and agent

Agent
Solve Planning Ltd
Agent address
Cheyenne House West Street Farnham Surrey GU9 7EQ

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12217061
Documents
20

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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.

Planning history at this site

6 other applications at this property, newest first.

  1. 2023
    21 Nov

    Internal alterations at first floor level including addition of partitions and other associated works.

    ApprovedListed building consent23/08073/LBC
  2. 2014
    2 May

    Installation of a new lead flashing to the front of the central balcony at first floor level.

    ApprovedListed building consent14/04190/LBC
  3. 2013
    28 Nov

    Internal alterations at ground floor only to create a single meeting room space including the removal of the…

    RefusedListed building consent13/11826/LBC
  4. 2013
    28 Nov

    Internal alterations at ground floor level to create a single meeting room including the removal of the…

    RefusedListed building consent13/11823/LBC
  5. 2004
    8 Nov

    Internal alterations including installation of new plasterboard ceiling, cornice, dado/picture rail and…

    ApprovedListed building consent04/08805/LBC
  6. 2004
    8 Nov

    Internal alterations including installation of new plasterboard ceiling, cornice, dado/picture rail and…

    ApprovedListed building consent04/08801/LBC

Source: Westminster

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

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