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Get started6 Halsey Street is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 2QH). It has a recorded floor area of 188 m² (around 2024 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (December 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 77). Other recorded features include a conservatory and outbuildings.
Sale prices here have outpaced London HPI: 4.4% per year against 0% for the wider region. Today's modelled estimate of £4,453,000 is 12.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£1,952/sq ft) was about 38.9% above the typical sold price in the postcode. Last sale on file: £3,950,000 in July 2022. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
6 Halsey Street's carbon output runs well above what efficient homes in the postcode produce.
6 Halsey Street has 2 separate extension applications on the council record.
Replacement of timber frame casement window to rear elevation with double hung timber sash window; reconfiguration of second floor wc to form shower room; new partition and internal door at third floor.
Sale price has at least doubled since 2000.
£4,453,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 22 years.
£3,950,000
Growth on file: 4.4% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Floor Area for 6 Halsey Street lags the street by a wide margin.
Price per m²
£21,011
Street avg £16,794
Floor Area
188 m²
Street avg 213 m²
Habitable Rooms
6 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

Changes detected from historical EPC data
Roof insulation improved
Heating controls upgraded for better temperature management
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Rear of property
Erection of rear conservatory at basement level and insertion of French doors and door guard at rear ground floor level.
1 more application for this property
Join to see all planning history.
22 July 2022Most recent
£3,950,000
+14.5%over 5 years16 January 2017
£3,450,000
+86.5%over 10 years27 April 2006
£1,850,000
+7.2%over 9 months5 August 2005
£1,725,000
+15.0%over 5 years7 April 2000
£1,500,000
Median price across the last 5 sales in SW3 2QH: £4,250,000 (2025–2021).
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
15 Halsey Street Kensington And Chelsea London
Sold Apr 2022
16 Halsey Street Kensington And Chelsea London
Sold Oct 2021
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Street avg 8 rooms
CO₂ Emissions
7.4 t/year
Street avg 8.1 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