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Top Floor Flat 71 Randolph Avenue London W9 1DW

25/07831/LBCApproved

Approved on 16 February 2026

Site boundary (council red line)

Proposal

Replacement of existing casement windows to the two front dormer windows at fourth floor level with new timber sliding sash windows. (Linked with 25/07830/FULL)

Submitted
29 October 2025
  1. Received29 Oct
  2. Validated
  3. Consult.
  4. Target
  5. Decided16 Feb

Decided in 110 days

About this application

This is a planning application for a dormer extension at Top Floor Flat 71 Randolph Avenue London W9 1DW. Westminster has handled 27,108 applications of this type. This one was decided in 110 days, 9 weeks longer than Westminster's typical decision time. The site is in the Maida Vale conservation area, with 7 listed buildings nearby. There have been 2 other applications at this address. We hold 1,428 applications in total for the W9 postcode area.

Application details

Postcode
W9 1DW

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Maida Vale
  • Listed building: Grade II: 63-79, Randolph Avenue W9On this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Tree Preservation Order: Ref W158Protected tree on or next to this site · +2 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, 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. 2025
    29 Oct

    Replacement of existing casement windows to the two front dormer windows at fourth floor level with new…

    ApprovedApplicationPart of25/07830/FULL
  2. 2025
    29 Oct

    Replacement of existing casement windows to the two front dormer windows at fourth floor level with new…

    This applicationApprovedListed building consent25/07831/LBC

Source: Westminster

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

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