64 Chester Square London SW1W 9EA
Proposal
Removal of condition 5(ii) of planning permission dated 22 August 2016 (RN: 16/05931/FULL) for external alterations including a replacement rear conservatory, a glazed stair link within the rear courtyard, facade alterations, reducing the floor levels in the Eccleston Street pavement vaults and installation of plant at lower ground floor level, excavation works within the main house, adjustment of courtyard rooflight location, replacement of French windows with French doors at first floor level, alterations to rear conservatory at second floor level, relocation of rooflight and installation of extract duct at roof level , replacement of roof slates and internal alterations, replacement of consented garage doors at ground floor level, insert a new timber framed door to lightwell LG.16 at lower ground floor level, rebuild a section of the existing stair at third and fourth level and new ceiling detail to the principal rooms at the ground and first floor level namely, to omit the requirement to submit details of roof safety barriers as these will not be installed.
- Received
- 3 December 2023
- Target decision date
- 28 January 2024
- Council
- City of Westminster
- Ward
- Knightsbridge & Belgravia
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.
- ReceivedSubmitted3 Dec
- ValidatedValidated3 Dec
- Consult.Consultation
- TargetTarget Date28 Jan
- DecidedDecided
This is a full planning application for a conservatory at 64 Chester Square London SW1W 9EA. Westminster has handled 4,496 applications of this type and approves 85% of them, typically deciding them in 74 days. It was submitted on 3 December 2023 and is still awaiting a decision. The site is in the Belgravia conservation area, with 8 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 407 applications across Knightsbridge & Belgravia. We hold 1,432 applications in total for the SW1W 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
- 20233 Dec
Sample of the proposed roof slate pursuant to Condition 9 of planning permission dated 22 August 2016 (RN…
ApprovedDischarge of conditionsFiled alongside23/08368/ADFULL - 20233 Dec
Details of a sample of the proposed roof slate pursuant to Condition 6 of planning permission dated 22nd…
PendingDischarge of conditionsFiled alongside23/08369/ADFULL - 20233 Dec
Sample of the proposed roof slate pursuant to Condition 6 of planning permission dated 22 August 2016…
ApprovedDischarge of conditionsFiled alongside23/08369/ADLBC - 20233 Dec
Removal of condition 5(ii) of planning permission dated 22 August 2016 (RN: 16/05931/FULL
This applicationPendingVariation of conditions (s73)23/08370/FULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belgravia
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Tree Preservation Order: Ref W291Protected tree on or next to this site · +2 more
- Brownfield land register: 118 - 124 Ebury Street London SW1W 9QQRegister site at or near this address
- 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 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 and heritage coasts.
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.
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
A listed building is on or next to this site.
- 1.3 miLondonRTPI
- 1.4 miLondonRTPIRICS Regulated
- 1.5 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
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