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Get started17 Halsey Street is a four-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 2QH). It has a recorded floor area of 213 m² (around 2293 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (April 2023) shows a D (score 56), a step below the typical UK home. When first surveyed in March 2012 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 75).
It hasn't traded since March 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £4,853,000 sits 626% above the 1996 sale of £668,500. On a £-per-square-foot basis, the last sale (£292/sq ft) was about 79.3% below the postcode norm. 22 planning records sit against the property, 11 approved, 10 refused. Past consents include an extension, new windows and a basement excavation, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. 4 bedrooms is on the larger side for this postcode, where 3 is the typical count.
17 Halsey Street's carbon output runs well above what efficient homes in the postcode produce.
17 Halsey Street has multiple listed-building consents on file — alterations need formal heritage approval.
Application to regularise floor plans of 17 Halsey Street following internal alterations to layout of ground floor since granting of appeal references APP/K5600/A/14/2225750 and APP/K5600/E/14/2225746, comprising changes to kitchen and the provision of small cupboard and WC.
17 Halsey Street's modelled value sits at over four times its earliest registered sale price (1996).
£4,853,000
Modelled from EPC, postcode comparables.
£668,500
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
On price per m², 17 Halsey Street runs well behind the street norm.
Price per m²
£3,138
Street avg £18,169
Floor Area
213 m²
Street avg 211 m²
Habitable Rooms
8 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
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Alterations to rear garden fencing.
20 more applications for this property
Join to see all planning history.
15 March 1996Most recent
£668,500
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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Street avg 7 rooms
CO₂ Emissions
8.6 t/year
Street avg 8.0 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