First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG
Proposal
Internal reconfiguration of Flat B, including new fittings, fixtures, services, and finishes throughout; alterations to staircase landings with replacement balustrades and handrails; installation of new timber-framed slimline double-glazed sash windows in place of modern units; retention of historic window frames with replacement slimline double-glazing; minor internal layout adjustments, including relocation of the powder room and removal of the secondary lift; replacement of modern doors with raised-height openings; installation of new fireplaces in the Drawing Room and Principal Bedroom; introduction of underfloor heating throughout; together with associated internal and external works.
- Received
- 18 December 2025
- Decided
- 2 April 2026 · Application Permitted
- Council
- City of Westminster
- ReceivedSubmitted18 Dec
- ValidatedValidated18 Dec
- Consult.Consultation
- TargetTarget Date
- DecidedDecided2 Apr
Decided in 105 days
This is a planning application for window replacement at First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG. Westminster has handled 26,489 applications of this type and approves 88% of them, typically deciding them in 54 days. This one was decided in 105 days, 7 weeks longer than Westminster's median. The site is in the Belgravia conservation area, with 6 listed buildings nearby. There have been 3 other applications at this address. We hold 1,432 applications in total for the SW1W postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 20262 Sep
Details of new French doors showing traditional joinery pursuant to condition 4 of Listed Building Consent…
ApprovedListed building consentRelated26/05999/ADLBC - 202518 Dec
Internal reconfiguration of Flat B, including new fittings, fixtures, services, and finishes throughout…
This applicationApprovedListed building consent25/09171/LBC
Planning history at this site
2 other applications at this property, newest first.
- 20263 Sep
Details of new French doors, elevations and sections showing traditional joinery; pursuant to condition 4 of…
ApprovedApplication26/06043/ADFULL - 202612 Feb
Installation of new timber framed slimline double glazed sash windows in place of modern units; and retention…
ApprovedApplication26/00883/FULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belgravia
- 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 2026-10-09. 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.
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