3 Carlton Gardens London SW1Y 5AA
Approved on 22 June 2026
Proposal
Replacement of air conditioning condenser units within new acoustic enclosures in south lightwell. (Linked to 26/00374/FULL)
- Received
- 22 January 2026
- Public comments
- 1
- Council
- City of Westminster
- Ward
- St James's
- Agent
- LPC (Trull) Ltd
- ReceivedReceived22 Jan
- ValidatedValidated22 Jan
- Consult.Consultation
- TargetTarget Date19 Mar
- DecidedDecided22 Jun
Decided in 151 days (council typically 49)
About this application
This is a heritage application at 3 Carlton Gardens London SW1Y 5AA. Westminster has handled 2,677 applications of this type. This one was decided in 151 days, 15 weeks longer than Westminster's typical decision time. The site is in the St James's conservation area, with 8 listed buildings nearby. There have been 7 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.
93% of heritage 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 5AA
- Application type
- Listed Building Consent Application
- Scale / size
- Small
Planning application dates
- Date validated
- 22 January 2026
- Consultation expiry
- 1 April 2026
- Target decision date
- 19 March 2026
Applicant and agent
- Agent
- LPC (Trull) Ltd
- Agent address
- LPC (Trull) Ltd Trull Tetbury GL8 8SQ
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 11 March 2026
- Advertisement expiry
- 1 April 2026
Additional information
- Planning Portal ID
- PP-14640231
- Documents
- 21
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St James's
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Tree Preservation Order: Ref W615Protected tree on or next to this site
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
flood storage areas, 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
- 202622 Jan
Replacement of air conditioning condenser units within new acoustic enclosures in south lightwell. (Linked to…
ApprovedFull Planning Permission ApplicationPart of26/00374/FULL - 202622 Jan
Replacement of air conditioning condenser units within new acoustic enclosures in south lightwell. (Linked to…
This applicationApprovedListed building consent26/00375/LBC
Planning history at this site
6 other applications at this property, newest first.
- 20263 Jul
T5 Lime - Courtyard area: Crown Reduction - To reduce the height and radial spread of the canopy by up to 3…
PendingTrees26/04435/TPO - 202323 Jun
1 x Lime tree (T1): Remove epicormic at base. Lightly reduce one lowest lateral to South East by 1.5m to…
ApprovedApplic. for wks to trees subject to TPO23/04259/TPO - 201621 Jan
Details to fix the maximum noise levels pursuant to condition 7 (3) of planning permission dated 04 June 2014…
ApprovedDischarge of conditions16/00502/ADFULL - 20155 Nov
1 x Lime: Reduce canopy height by up to 2m. Reduce canopy spread by reduction of elongated laterals by up to…
ApprovedApplic. for wks to trees subject to TPO15/10306/TPO - 20145 Mar
Details of method statement and final tree protection plan provision pursuant to Condition 7 of planning…
WithdrawnDischarge of conditions14/02072/ADFULL - 200223 Aug
1 x limeRemove epicormic trunk growth to crown break (approx. 6 m)
ApprovedApplic. for works to trees in CA02/06037/TCA
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 3 Carlton Gardens London SW1Y 5AA26/00374/FULL · FullApproved0.0 mi
- 3 Carlton Gardens London SW1Y 5AD14/00801/TCA · TreesApproved0.0 mi
- 3 Carlton Gardens London SW1Y 5AA16/00502/ADFULL · ConditionsApproved0.0 mi
- 3 Carlton Gardens London SW1Y 5AA14/02072/ADFULL · ConditionsWithdrawn0.0 mi
- 3 Carlton Gardens London SW1Y 5AD13/12259/ADFULL · ConditionsApproved0.0 mi
For applicants and trades
Consultants on this application
- LPC (Trull) Limited · Agent for this application
Contractors near this project
- Avent Roofing ServicesVerifiedWestminsterRoofing0.4 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.3 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.6 mi
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