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20 Crown Passage London SW1Y 6PP

26/02827/CLLBCert of Law - Prposed works to LBAwaiting 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

Air conditioning condenser unit on the back wall of the property, at intermediate 2nd- 3rd floor level. 3 air conditioning condenser units provide the heating system for the upper 3 floors of the property. They are partially or fully hidden from the view of the properties opposite. 2 units have been present for more than 10 years, the 3rd unit for more than 4 years.

Received
24 April 2026
Decision due
5 June 2026
Ward
St James's
  1. Received24 Apr
  2. Validated24 Apr
  3. Consult.
  4. Target5 Jun
  5. Decided

Have your say

Comment on the council's siteDocuments (2)

About this application

This is a planning application at 20 Crown Passage London SW1Y 6PP. Westminster has handled 27,140 applications of this type. It has been with the council since 24 April 2026 and is still awaiting a decision. The site is in the St James's conservation area, with 20 listed buildings nearby. There has been 1 other application 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.

Application details

Postcode
SW1Y 6PP
Application type
Cert of Law - Prposed works to LB
Scale / size
Small

Planning application dates

Date validated
24 April 2026

Planning decision

Statutory period
42 days

Additional information

Comments
0
Documents
2

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: St James's
  • Listed building: Grade II: 19, Crown PassageOn or next to this site · +4 more
  • 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.

Source: Westminster

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

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Before the decision

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A listed building is on or next to this site.

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Nearest first, within 25 miles of the site. Every firm is listed free.

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