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64 Chester Square London SW1W 9EA

23/08370/FULLFull Planning Permission ApplicationPending Decision
Full

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
Ward
Knightsbridge & Belgravia
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.

  1. Received3 Dec
  2. Validated3 Dec
  3. Consult.
  4. Target28 Jan
  5. Decided
7 weeks typical decision time in Westminster86% of full applications approved

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

Reference
23/08370/FULL
Address
64 Chester Square London SW1W 9EA
Postcode
SW1W 9EA
Local Authority
Westminster
Application Type
Full Planning Permission Application
Scale / Size
Small
Decision Status
Undecided
Current Status
Pending
Ward
Knightsbridge & Belgravia

Applicant & Agent

Agent
Savills
Architect ProfileSAVILLS PLC
Agent Address
33 Margaret Street London W1G 0JD United Kingdom

Planning Application Dates

Date Received
3 December 2023
Consultation Expiry
3 April 2024
Target Decision Date
28 January 2024
Date Validated
3 December 2023
Date Submitted
3 December 2023

Planning Decision

Statutory Period
56 days

Publicity

Last Advertised
13 March 2024
Advertisement Expiry
3 April 2024

Appeal

Additional Information

Planning Portal ID
PP-12408770
Comments
0
Documents
12
Coordinates
51.495113, -0.149275
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Westminster

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

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Planning constraints

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Listed building: Grade II: 38a-42, Elizabeth Street Sw1On or next to this site · +3 more
  • 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

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A listed building is on or next to this site.

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