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Get started4 Halsey Street is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 2QH). It has a recorded floor area of 194 m² (around 2088 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (September 2020) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump.
24 planning records sit against the property, 17 approved, 5 refused, 1 pending. Past consents include solar panel installation and an extension, meaningful when judging how the property has evolved. An application is currently awaiting a decision. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £4,951,000 is 26.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£1,868/sq ft) was about 38.3% above the typical sold price in the postcode. Most recent transfer: August 2021 at £3,900,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 4 bedrooms is on the larger side for this postcode, where 3 is the typical count.
4 Halsey Street's carbon output runs well above what efficient homes in the postcode produce.
A a single-storey rear extension application was refused at 4 Halsey Street in 2023.
Variation of condition 2 (compliance with approved drawings) of planning permission 21/06539, to allow replacement of original approved application drawing 0792-021-PE-FR with the latest proposed amended drawing 0792-021-PE-FR_Rev A. to change the overall design of the scheme and to meet the construction detail requirements.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£4,951,000
Modelled from EPC, postcode comparables.
£3,900,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
On epc rating, 4 Halsey Street runs well behind the street norm.
Price per m²
£20,103
Street avg £16,864
Floor Area
194 m²
Street avg 212 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
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

Variation of condition 2 (compliance with approved drawings) of listed building consent 21/06540, to allow replacement of original approved application drawing 0792-021-PE-FR with the latest proposed amended drawing 0792-021-PE-FR_Rev A. to improve the overall design of the scheme and to meet the construction detail requirements.
22 more applications for this property
Join to see all planning history.
26 August 2021Most recent
£3,900,000
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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CO₂ Emissions
10.0 t/year
Street avg 7.9 t/year
SW3 2QH
Closest school
0.1 km
St Joseph's Catholic Primary School. 55 schools nearby.
Night-time· 23:00 – 07:00
47.8dB