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13 Ranelagh Grove London SW1W 8PA

25/07775/CLOPUDCertificate of Lawfulness (proposed)Approved
Outline / PiP

Approved on 19 February 2026

Site boundary (council red line)

Proposal

Construction of an external garden room at 13 Ranelagh Grove, this will consist of a flat roof, galvanized steel frame, wall cladding and brickslips to the front with large sliding glazing doors facing the garden.

Received
27 October 2025
Ward
Knightsbridge & Belgravia
  1. Received27 Oct
  2. Validated27 Oct
  3. Consult.
  4. Target22 Dec
  5. Decided19 Feb

Decided in 115 days (council typically 49)

About this application

This is an outline application for an outbuilding at 13 Ranelagh Grove London SW1W 8PA. Westminster has handled 218 applications of this type. This one was decided in 115 days, 9 weeks longer than Westminster's typical decision time. The site is in the Belgravia conservation area, with 8 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.

82% of outline 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
SW1W 8PA
Application type
Certificate of Lawfulness (proposed)
Scale / size
Small

Planning application dates

Date validated
27 October 2025
Target decision date
22 December 2025

Applicant and agent

Agent
Residence One - London
Agent address
Holbrooke Mews 7 Holbrooke Place RICHMOND TW10 6UD United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14427848
Comments
0
Documents
12

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Conservation area: Belgravia
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Brownfield land register: Ebury Bridge House 10 Ebury Bridge Road London SW1W 8PZRegister site at or near this address
Also checked, none recorded (21)

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 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 2026-11-03. 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.

Associated applications

  1. 2025
    29 Oct

    Ground floor rear extension with rooflight, replacement windows, alterations to the front terrace to…

    ApprovedApplicationFiled alongside25/07584/FULL
  2. 2025
    27 Oct

    Construction of an external garden room at 13 Ranelagh Grove, this will consist of a flat roof, galvanized…

    This applicationApprovedOutline25/07775/CLOPUD

Source: Westminster

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

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