5 Wilton Crescent London SW1X 8RN

23/04260/FULLFull Planning Permission ApplicationApproved

Full

Approved on 16 August 2023

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

Variation of condition 1 of planning permission dated 21 June 2022 (RN: 22/01467/FULL) for the: Excavation of a single storey basement beneath rear part of building and the mews building (including a replacement swimming pool), insertion of new lightwell and amendments to rooflight configuration between the main house and mews building, rear infill of mews building at first floor level, installation of plant to front vaults and within existing roof service rooms and associated external alterations. (Site includes 8 Kinnerton Street). Namely, to allow increase the size of the approved basement extension by approximately 5200mm towards the Wilton Crescent end of the property.

Received: 23 June 2023
Decision level: Delegated (officer decision)
Public comments: 1
Council: City of Westminster
Ward: Knightsbridge & Belgravia

ReceivedReceived23 Jun
ValidatedValidated23 Jun
Consult.Consultation
TargetTarget Date18 Aug
DecidedDecided16 Aug

Decided in 54 days (council typically 49)

About this application

This is a full planning application for an extension at 5 Wilton Crescent London SW1X 8RN. Westminster has handled 4,484 applications of this type. This one was decided in 54 days, 5 days longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 11 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,284 applications in total for the SW1X postcode area.

86% of full 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.See what's approved near your address

Application details

Postcode: SW1X 8RN
Application type: Full Planning Permission Application
Scale / size: Small

Planning application dates

Date validated: 23 June 2023
Consultation expiry: 2 August 2023
Target decision date: 18 August 2023

Applicant and agent

Agent: Savills
Agent address: Savills 33 Margaret Street London W1G 0JD

Planning decision

Statutory period: 56 days

Publicity

Last advertised: 12 July 2023
Advertisement expiry: 2 August 2023

Additional information

Planning Portal ID: PP-12247740
Documents: 46

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Belgravia
Listed building: Grade II: 1-15, Wilton Crescent Sw1On this site
Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (21)

flood storage areas, tree preservation orders, 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.

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

12 other applications at this property, newest first.

Source: Westminster

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

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Consultants on this application

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