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18 Leinster Mews London W2 3EY

25/08697/FULLApproved

Approved on 30 June 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Excavation of a basement, creation of a new central lightwell from roof to basement level, removal of existing rooflights and retaining of roof terrace, new windows and entrance door to front elevation, use of the ground floor garages as habitable accommodation, alterations to mansard, repairs to front elevation brickwork.

Received
28 November 2025
  1. Received28 Nov
  2. Validated15 Jan
  3. Consult.
  4. Target
  5. Decided30 Jun

Decided in 166 days

About this application

This is a planning application for window replacement at 18 Leinster Mews London W2 3EY. Westminster has handled 27,108 applications of this type. This one was decided in 166 days, 17 weeks longer than Westminster's typical decision time. The site is in the Bayswater conservation area, with 9 listed buildings nearby. There has been 1 other application at this address. We hold 3,422 applications in total for the W2 postcode area.

Application details

Postcode
W2 3EY

Planning application dates

Date validated
15 January 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Bayswater
  • 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.

Source: Westminster

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

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