Ionic Villa Outer Circle Regent's Park London NW1 4HB
Proposal
Basement excavation and associated extensions to rear garden at basement level, with terraces above; erection of extensions to ground, first and roof levels on the north and south elevations and associated external alterations. Installation of plant in basement level. Hard and soft landscaping.
- Received
- 14 July 2025
- Decided
- 5 September 2025 · Application Refused
- Decision level
- Delegated (officer decision)
- Public comments
- 1
- Council
- City of Westminster
- Ward
- Regent's Park
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.
- ReceivedSubmitted14 Jul
- ValidatedValidated14 Jul
- Consult.Consultation
- TargetTarget Date8 Sep
- DecidedDecided5 Sep
Decided in 53 days (council typically 49)
This is a full planning application for an extension at Ionic Villa Outer Circle Regent's Park London NW1 4HB. Westminster has handled 4,496 applications of this type and approves 85% of them, typically deciding them in 74 days. This one was decided in 53 days, 3 weeks quicker than Westminster's median. The site is in the Regent's Park conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 141 applications across Regent's Park. We hold 3,114 applications in total for the NW1 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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Planning history at this site
4 other applications at this property, newest first.
- 202629 Jan
Extensions to the basement, ground and first floors on the north and south elevations and a basement…
RefusedApplication25/08946/FULL - 202418 Oct
Erection of single storey and two storey extensions to north and south elevations, installation of plant…
PendingFull Planning Permission Application24/07269/FULL - 201824 Jul
Extension of the north and south projecting bays at ground floor and second floor/roof alterations.
WithdrawnApplication for full Planning Permission18/06227/FULL - 20109 Mar
Extension of time for the commencement of the development granted on 16 May 2007 (extant permission RN…
ApprovedApplication for full Planning Permission10/02075/FULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Regent's Park
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- Tree Preservation Order: Ref W162Protected tree on or next to this site · +5 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (19)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, 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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