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9 Blenheim Road London NW8 0LU

25/08191/LBCApproved

Approved on 19 March 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Erection of a single-storey rear extension at lower ground level; associated patio and garden alterations; demolition of two existing outbuildings within the rear garden; and minor internal alterations. (Linked to 25/08190/FULL)

Received
10 November 2025
  1. Received10 Nov
  2. Validated25 Nov
  3. Consult.
  4. Target
  5. Decided19 Mar

Decided in 114 days

About this application

This is a planning application for demolition at 9 Blenheim Road London NW8 0LU. Westminster has handled 27,078 applications of this type. This one was decided in 114 days, 9 weeks longer than Westminster's typical decision time. The site is in the St John's Wood conservation area, with 20 listed buildings nearby. There have been 3 other applications at this address. We hold 2,753 applications in total for the NW8 postcode area.

Application details

Postcode
NW8 0LU

Planning application dates

Date validated
25 November 2025

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: St John's Wood
  • Listed building: Grade II: 9 and 10, Blenheim Road Nw8On or next to this site · +3 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Tree Preservation Order: Ref STM9Protected tree on or next to this site · +5 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
    25 Nov

    Erection of a single-storey rear extension at lower ground level; associated patio and garden alterations…

    ApprovedApplicationPart of25/08190/FULL
  2. 2025
    25 Nov

    Erection of a single-storey rear extension at lower ground level; associated patio and garden alterations…

    This applicationApprovedListed building consent25/08191/LBC

Source: Westminster

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

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