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40 Eaton Square London SW1W 9DA

26/01368/FULLApproved

Approved on 23 April 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Erection of single storey garden room within rear garden.

Received
4 March 2026
  1. Received4 Mar
  2. Validated9 Mar
  3. Consult.
  4. Target
  5. Decided23 Apr

Decided in 45 days

About this application

This is a planning application for an outbuilding at 40 Eaton Square London SW1W 9DA. Westminster has handled 27,140 applications of this type. This one was decided in 45 days, 4 days quicker than Westminster's typical decision time. The site is in the Belgravia conservation area, with 3 listed buildings nearby. There has been 1 other application at this address. We hold 1,478 applications in total for the SW1W postcode area.

Application details

Postcode
SW1W 9DA

Planning application dates

Date validated
9 March 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Listed building: Statutory Address1 24 And 24A-48 Eaton Square Statutory Address2 72 And 72A Elizabeth Str…On 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

  1. 2026
    9 Mar

    Erection of single storey garden room within rear garden.

    This applicationApprovedApplication26/01368/FULL
  2. 2026
    4 Mar

    Construction of a freestanding garden room within rear garden (linked to 26/01368/FULL

    ApprovedListed building consentRelated26/01369/LBC

Source: Westminster

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

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