3 Chester Square Mews London SW1W 9DS
Approved on 4 June 2026
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
Detailed drawings of construction and window details of the new dormers to the mews; new garage doors; and New window and door to the ground floor mews elevation pursuant to conditon 4, a, b, c of listed building consent dated 22nd January 2025 (RN 24/08101/LBC)
- Received
- 18 May 2026
- Council
- City of Westminster
- Ward
- Knightsbridge & Belgravia
- Agent
- ADL Planning Pty Ltd
- ReceivedReceived18 May
- ValidatedValidated18 May
- Consult.Consultation
- TargetTarget Date13 Jul
- DecidedDecided4 Jun
Decided in 17 days (council typically 49)
About this application
This is an application to discharge conditions at 3 Chester Square Mews London SW1W 9DS. Westminster has handled 3,063 applications of this type. This one was decided in 17 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Belgravia conservation area, with 11 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 380 applications across Knightsbridge & Belgravia. We hold 1,478 applications in total for the SW1W postcode area.
92% of conditions 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
- SW1W 9DS
- Application type
- Approval of Details (ADLBC)
- Scale / size
- Small
Planning application dates
- Date validated
- 18 May 2026
- Target decision date
- 13 July 2026
Applicant and agent
- Agent
- ADL Planning Pty Ltd
- Agent address
- 1 The Arbory Plumpton Lane Great Plumpton PR4 3NH
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belgravia
- Listed building: Grade II: Nos 77 to 80 (consec), 80a and Mews Arch, Chester SquareOn or next to this site
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- 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.
Associated applications
- 202618 May
Detailed drawings of construction and window details of the new dormers to the mews; new garage doors; and…
This applicationApprovedListed building consent26/03240/ADLBC - 202618 May
Details showing the provision of electric vehicle charging facilities, available for use within the garage…
ApprovedDischarge of conditionsFiled alongside26/03261/ADFULL
Planning history at this site
1 other application at this property, newest first.
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 Chester Square Mews London SW1W 9DS26/03261/ADFULL · ConditionsApproved0.0 mi
- 3 Chester Square Mews London SW1W 9DS25/04901/ADFULL · ConditionsApproved0.0 mi
- 78 Chester Square London SW1W 9DU26/03241/ADLBC · ConditionsApproved0.0 mi
- 78 Chester Square London SW1W 9DU26/03262/ADFULL · ConditionsApproved0.0 mi
- 77 Chester Square London SW1W 9DY14/03637/TCA · TreesApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for loft conversions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.9 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.8 mi
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