17A Onslow Gardens, London, SW7 3AL

PP/26/04530Permitted

Proposal

Installation of Air Source Heat Pump (ASHP) on raised gantry within southern lightwell.

Received: 21 August 2026
Decided: 12 October 2026 · Granted
Council: Royal Borough of Kensington and Chelsea

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.

ReceivedSubmitted21 Aug
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided12 Oct

Decided in 52 days

This is a planning application at 17A Onslow Gardens, London, SW7 3AL. Kensington has handled 16,719 applications of this type and approves 90% of them, typically deciding them in 56 days. This one was decided in 52 days, 4 days quicker than Kensington's median. The site is in the Thurloe Estate and Smith's Charity conservation area, with 18 listed buildings nearby. There has been 1 other application at this address. We hold 1,249 applications in total for the SW7 postcode area.

Application Details

Reference

PP/26/04530

Address

17A Onslow Gardens, London, SW7 3AL

Postcode

SW7 3AL

Local Authority

Kensington

Decision Status

Permitted

Current Status

Granted

Applicant & Agent

Planning Application Dates

Date Received

21 August 2026

Date Decided

12 October 2026

Date Submitted

21 August 2026

Planning Decision

Decision

Granted

Publicity

Appeal

Additional Information

UPRN

217114076

Coordinates

51.490654, -0.176743

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Kensington

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

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Planning history at this site

8 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: Thurloe/Smith's Charity
Listed building: Grade II: 17a and 18-24, Onslow Gardens Sw7On or next to this site · +1 more
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.

© 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.

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