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Get started23 Halsey Street is a property in Kensington And Chelsea, London, London (SW3 2QH). It has council tax band H.
Sale prices here have outpaced London HPI: 5% per year against 0% for the wider region. 11 planning records sit against the property, 8 approved, 2 refused. Past consents include a basement excavation, an extension and partial demolition, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Most recent transfer: January 2021 at £875,760. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Creation of a third floor, with natural slate mansard roofs with painted timber windows within lead dormers; replacement of timber stair with a metal stair within the front basement area.
23 Halsey Street has more than tripled in price since its earliest registered sale in 1997.
£875,760
Growth on file: 5.0% per year over 24 years.
18 January 2021Most recent
£875,760
+218.5%over 23 yearsEverything we know about this property, compiled into one in-depth, downloadable report.
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Draycott Place — bus stop.

Daytime· 07:00 – 23:00
57.8dB

Creation of a third floor, with natural slate mansard roofs with painted timber windows within lead dormers; replacement of timber stair with a metal stair within the front basement area.
9 more applications for this property
Join to see all planning history.
27 June 1997
£275,000
Median price across the last 5 sales in SW3 2QH: £3,950,000 (2025–2022).
18 Halsey Street Kensington And Chelsea London
Sold Oct 2025
1 Halsey Street Kensington And Chelsea London
Sold Sept 2024
7 Halsey Street Kensington And Chelsea London
Sold Jun 2023
6 Halsey Street Kensington And Chelsea London
Sold Jul 2022
15 Halsey Street Kensington And Chelsea London
Sold Apr 2022
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SW3 2JA
Closest school
0.1 km
St Joseph's Catholic Primary School. 55 schools nearby.
Night-time· 23:00 – 07:00
47.8dB