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13A, South Eaton Place, SW1W 9ER

25/00449/CLEUDLawful development: Proposed useApproved

Approved on 7 October 2025

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

Structural works including the installation of structural steels to form a staircase and concrete padstones (Confirmation of lawful implementation of planning permission dated 28 January 2022 (RN: 21/07881/FULL) for the in-fill of 3 windows at third floor level of Chester Row and South Eaton Place facades and installation of 6 new windows (3no. pairs); replacement of roof at raised level; new glazed roof light over stairs; new decorative frieze and cornice to three facades; and installation of an internal lift and new enlarged simplified stair to access all storeys.

Submitted
3 February 2025
  1. Received3 Feb
  2. Validated
  3. Consult.
  4. Target
  5. Decided7 Oct

Decided in 246 days (council typically 49)

About this application

This is a planning application for window replacement at 13A, South Eaton Place, SW1W 9ER. Westminster has handled 75 applications of this type. This one was decided in 246 days, 28 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 19 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 174 applications across KBW_22. We hold 1,477 applications in total for the SW1W postcode area.

75% of lawful development: proposed use 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
SW1W 9ER
Application type
Lawful development: Proposed use

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Listed building: Grade II: 15-21, South Eaton Place Sw1On or next to this site · +1 more
  • 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.

Source: Westminster

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

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