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Flat 1, 17 Onslow Square, LONDON, SW7 3NJ

LB/23/04786LB (Listed Building)Approved
Listed building consent

Approved on 6 November 2023

Council decision: Grant Planning Permission/Consent

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

Refurbishment of basement room to convert into utility/laundry/storage room. Addition of toilet-shower room. Redo all electrical re-wiring in order to install new toilet and washing machine.

Received
20 July 2023
Ward
Brompton and Hans Town
  1. Received20 Jul
  2. Validated14 Sep
  3. Consult.13 Oct
  4. Target9 Nov
  5. Decided6 Nov

Decided in 53 days (council typically 56)

About this application

This is a heritage application at Flat 1, 17 Onslow Square, LONDON, SW7 3NJ. Kensington has handled 1,418 applications of this type. This one was decided in 109 days, 8 weeks longer than Kensington's typical decision time. The site is in the Thurloe Estate and Smith's Charity conservation area, with 7 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 362 applications across Brompton and Hans Town. We hold 1,522 applications in total for the SW7 postcode area.

93% of heritage applications at Royal Borough of Kensington and Chelsea were approved. Across all application types, the council typically decides in about 8 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
SW7 3NJ
Application type
LB (Listed Building)
Scale / size
Small
Parish
02
District
Thurloe and Smith's Charity

Planning application dates

Date validated
14 September 2023
Consultation expiry
13 October 2023
Consultation end
13 October 2023
Target decision date
9 November 2023

Applicant and agent

Applicant
Valentina Giacinti Architecture
Agent address
126 King's Road London SW3 4TR

Planning decision

Statutory period
56 days

Additional information

Documents
13

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Thurloe/Smith's Charity
  • Listed building: Grade II: 9-25, Onslow SquareOn this site
  • Article 4 direction: Article 4 - No 100
  • Tree Preservation OrderCovers the site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

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, 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.

Associated applications

  1. 2023
    20 Jul

    Refurbishment of basement room to convert into utility/laundry/storage room. Addition of toilet-shower room…

    This applicationApprovedHeritageLB/23/04786
  2. 2023
    20 Jul

    Replacement of all windows with like-for-like.

    ApprovedListed building consentFiled alongsideLB/23/04830
  3. 2023
    20 Jul

    Replacement of all windows with like-for-like.

    ApprovedPP (Planning permission)Filed alongsidePP/23/04829

Source: Kensington

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

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