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23 Cavendish Close London NW8 9JB

10/04713/NMANon-material amendmentsApproved
Discharge / amendments

Approved on 16 June 2010

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Amendments to planning permission dated 13 May 2010 (RN: 10/00269) for excavation of basement extension below rear garden, associated external alterations to main house and garage/ cottage building in rear garden and replacement of side boundary walls to rear garden; namely, removal of small high level slot window to basement extension within rear lightwell.

Received
28 May 2010
Decision level
Delegated (officer decision)
Ward
Regent's Park
Agent
MSMR Architects
  1. Received28 May
  2. Validated28 May
  3. Consult.
  4. Target25 Jun
  5. Decided16 Jun

Decided in 19 days (council typically 49)

About this application

This is an application to amend a permission at 23 Cavendish Close London NW8 9JB. Westminster has handled 604 applications of this type. This one was decided in 19 days, 4 weeks quicker than Westminster's typical decision time. The site is in the St John's Wood conservation area, with 17 listed buildings nearby. There have been 6 other applications at this address. In the past year there have been 124 applications across Regent's Park. We hold 2,757 applications in total for the NW8 postcode area.

88% of amendment applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
NW8 9JB
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
28 May 2010
Target decision date
25 June 2010

Applicant and agent

Agent
MSMR Architects
Architect profile
MSMR ARCHITECTS LIMITED
Agent address
The Old School Exton St London SE1 8UE

Planning decision

Statutory period
28 days

Additional information

Comments
0
Documents
4

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: 23, Cavendish Close Nw8On this site · +6 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Tree Preservation Order: Ref STM18Protected tree on or next to this site · +7 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.

Planning history at this site

6 other applications at this property, newest first.

  1. 2018
    31 Aug

    2 x Sweet gum (rear): reduce lateral branches only by up to 1m to create clearance between the trees over the…

    ApprovedApplic. for works to trees in CA18/07513/TCA
  2. 2018
    1 Jun

    T1 1 x lime: crown reduce back to the previous reduction points all round, approximately 2-3m from branch…

    ApprovedApplic. for wks to trees subject to TPO18/04609/TPO
  3. 2010
    7 Jun

    Details of structural method statement, construction management plan and details of tree protection measures…

    ApprovedDischarge of conditions10/04987/ADFULL
  4. 2010
    7 Jun

    Details of structural method statement pursuant to Condition 11 of listed building consent dated 13 May 2010…

    ApprovedListed building consent10/04989/ADLBC
  5. 2010
    13 Jan

    Excavation of basement extension below rear garden, associated external alterations to main house and garage/…

    ApprovedListed building consent10/00270/LBC
  6. 2010
    13 Jan

    Excavation of basement extension below rear garden, associated external alterations to main house and garage/…

    ApprovedApplication for full Planning Permission10/00269/FULL

Source: Westminster

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

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