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59 Chester Row London SW1W 8JL

23/04272/NMANon-material amendmentsApproved
Discharge / amendments

Approved on 6 September 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

Amendments to planning permission dated 10 January 2023 (RN: 22/07918/FULL) for 'Replacement lean to infill extension with new timber frame, adjust and increase existing opening on the rear elevation, new timber frame, doors to lower ground floor and ground floor to rear extension, new condensing unit to external front light well with acoustic enclosed Louvred door beneath proposed steel stair, replacement of existing front windows with new hardwood slimline double glazed windows, installation of photovolatic panels at roof level, new external metal stair to front lightwell, new Portland Stone to existing main entrance to the front elevation, existing steel balustrade ground Floor rear elevation extended to all terrace'. Namely, to relocate the condensing unit from the external front light well to within the front vault and addition of condition 4 part (6) requiring details of the vault's proposed acoustic louvred door.

Received
25 June 2023
Decision level
Delegated (officer decision)
Public comments
1
Ward
Knightsbridge & Belgravia
Agent
CBO Architects
  1. Received25 Jun
  2. Validated18 Jul
  3. Consult.
  4. Target15 Aug
  5. Decided6 Sep

Decided in 50 days (council typically 49)

About this application

This is an application to amend a permission at 59 Chester Row London SW1W 8JL. Westminster has handled 604 applications of this type. This one was decided in 73 days, 3 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 10 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,477 applications in total for the SW1W 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
SW1W 8JL
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
18 July 2023
Target decision date
15 August 2023

Applicant and agent

Agent
CBO Architects
Architect profile
CBO ARCHITECTS LTD
Agent address
Unit 304 - Bon Marche Centre 231-241Ferndale Road London SW9 8BJ

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-12264729
Documents
20

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, 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.

© 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.

Source: Westminster

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

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