8 Cavendish Avenue London NW8 9JE
Proposal
Excavation and construction of a new basement; use of the garage for additional internal accommodation; landscaping of front and rear gardens; extension of existing rear lower ground floor; internal alterations to the property; replacement of existing air conditioning condensers with new unit; replacement of windows throughout (part-retrospective) and demolition of rear garden house. [Linked to 26/01095/FULL]
- Received
- 20 February 2026
- Decided
- 17 August 2026 · Application Permitted
- Council
- City of Westminster
- ReceivedSubmitted20 Feb
- ValidatedValidated20 Feb
- Consult.Consultation
- TargetTarget Date
- DecidedDecided17 Aug
Decided in 178 days
This is a planning application for demolition at 8 Cavendish Avenue London NW8 9JE. Westminster has handled 26,489 applications of this type and approves 88% of them, typically deciding them in 54 days. This one was decided in 178 days, 18 weeks longer than Westminster's median. The site is in the St John's Wood conservation area, with 19 listed buildings nearby. There have been 20 other applications at this address. We hold 2,702 applications in total for the NW8 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202620 Feb
Excavation and construction of a new basement; use of the garage for additional internal accommodation…
ApprovedFull Planning Permission ApplicationPart of26/01095/FULL - 202620 Feb
Excavation and construction of a new basement; use of the garage for additional internal accommodation…
This applicationApprovedListed building consent26/01096/LBC
Planning history at this site
20 other applications at this property, newest first.
- 20265 Feb
3 - Silver Birch - Prune just distal to most recent reduction points; for safety and maintenance reasons, and…
PendingApplication26/00689/TCA - 20265 Feb
1 x silver birch (T3, rear): Crown reduce to the previous most recent reduction points, retaining selected…
ApprovedApplic. for wks to trees subject to TPO26/00689/TPO - 202516 Dec
Details of elevation and section drawings showing new windows, detailed drawings including annotations of…
ApprovedDischarge of conditions25/05430/ADFULL - 20251 Aug
Elevation and section drawings and details pursuant to condition 4 (window details), 10 (landscaping and…
ApprovedDischarge of conditions25/05626/ADLBC - 202515 May
1 x mulberry (rear): Reduce to 8m in height and accordingly in spread -see image in report
ApprovedApplication25/03310/TPO - 202417 Dec
Excavation and construction of a new basement; use of the garage for additional internal accommodation…
ApprovedListed building consent24/08781/LBC - 202417 Dec
Excavation and construction of a new basement; use of the garage for additional internal accommodation…
ApprovedFull Planning Permission Application24/08780/FULL - 200817 Mar
Erection of first floor side extension.
RefusedApplication for full Planning Permission08/02476/FULL - 200817 Mar
Erection of first floor side extension.
RefusedListed building consent08/02477/LBC - 200517 Jun
Details of the lights on the pier and new steps with wrought iron balustrade; and sample of natural stone…
ApprovedListed building consent05/04894/ADLBC - 200517 Jun
Details of the lights on the pier and new steps with wrought iron balustrade; and sample of natural stone…
ApprovedDischarge of conditions05/04893/ADFULL - 200520 Apr
Alterations in connection with the enlargement of existing extension to basement and ground floor rear with…
ApprovedApplication for full Planning Permission05/03069/FULL - 200520 Apr
Alterations to the front elevation at basement level namely a window into door and double to door to single…
RefusedListed building consent05/03066/LBC - 200520 Apr
Alterations to front elevation lower ground floor, change window to door and change double door to single…
ApprovedApplication for full Planning Permission05/03065/FULL - 200520 Apr
Alterations in connection with the enlargement of existing extension to basement and ground floor rear with…
ApprovedListed building consent05/03070/LBC - 200531 Mar
Details of parts a). iron pedestrian and vehicle gates and d). sample of limestone for steps pursuant to…
ApprovedDischarge of conditions05/02462/ADFULL - 200517 Jan
Erection of new boundary wall with retained existing railings, alterations to the front garden, installation…
ApprovedApplication for full Planning Permission05/00397/FULL - 200517 Jan
Erection of new boundary wall with retained existing railings, alterations to the front garden, installation…
ApprovedListed building consent05/00398/LBC - 200513 Jan
Details of sample of Portland Stone for the new steps leading up to the main entrance and York stone paving…
ApprovedListed building consent05/00321/ADLBC - 200513 Jan
Details of sample of the Portland Stone finish for the new steps leading upto the main entrance and York…
ApprovedDischarge of conditions05/00322/ADFULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St John's Wood
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- Tree Preservation Order: Ref STM18Part of the site · +4 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 2026-10-09. 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.
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