Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Approved on 28 April 2026
Proposal
Installation of air conditioning condenser unit at roof level and new roof light for maintenance access.
- Received
- 3 March 2026
- Council
- City of Westminster
- Ward
- Knightsbridge & Belgravia
- ReceivedReceived3 Mar
- ValidatedValidated3 Mar
- Consult.Consultation
- TargetTarget Date28 Apr
- DecidedDecided28 Apr
Decided in 56 days (council typically 49)
About this application
This is a full planning application at Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE. Westminster has handled 4,484 applications of this type. This one was decided in 56 days, 7 days longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 10 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,284 applications in total for the SW1X 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.See what's approved near your address
Application details
- Postcode
- SW1X 8DE
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 3 March 2026
- Consultation expiry
- 1 April 2026
- Target decision date
- 28 April 2026
Applicant and agent
- Agent
- Marrons
- Agent address
- Level 19, The Shard 32 London Bridge Street London SE1 9SG United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 11 March 2026
- Advertisement expiry
- 1 April 2026
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belgravia
- Listed building: Second Floor Flat 69 Eaton Place London SW1X 8DFOn 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 (22)
flood storage areas, listed buildings, 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
- 20263 Mar
Installation of air conditioning condenser unit at roof level and new roof light for maintenance access.
This applicationApprovedFull26/01351/FULL - 20263 Mar
Installation of air conditioning system with external condenser at roof level; new roof light; internal…
ApprovedListed building consentFiled alongside26/01352/LBC
Planning history at this site
3 other applications at this property, newest first.
- 20263 Jun
Details of new doors pursuant to condition 7 of listed building consent dated 28th April 2026 (RN:26/01352
ApprovedListed building consent26/03623/ADLBC - 202614 May
Installation of new slimline double glazed sash windows throughout within retained box frames. (Linked with…
ApprovedListed building consent26/03184/LBC - 202614 May
Installation of new slimline double glazed sash windows throughout within retained box frames. (Linked with…
ApprovedFull Planning Permission Application26/03183/FULL
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
- Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE26/01352/LBC · HeritageApproved0.0 mi
- Maisonette Basement And Ground Floor Flat 59 Eaton Place London SW1X 8DF26/00813/LBC · HeritageApproved0.0 mi
- Maisonette Basement And Ground Floor Flat 59 Eaton Place London SW1X 8DF26/02452/ADLBC · ConditionsApproved0.0 mi
- 43 Eaton Place London SW1X 8BX24/08621/ADLBC · ConditionsApproved0.0 mi
- 43 Eaton Place London SW1X 8BX26/05499/FULL · FullAwaiting decision0.0 mi
For applicants and trades
Contractors near this project
Find contractors for roofing near this site- Avent Roofing ServicesVerifiedWestminsterRoofing1.0 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.0 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.9 mi
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