Our Data Sources
42, Halsey Street has been updated by Bellfords International. This data along with public information allows us to provide estimates for both this and neighbouring properties.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 42, Halsey Street would be worth £4,418,476, with a potential rental value of £17,816 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £3,913,507, with a rental value of £15,780 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
42, Halsey Street occupies a 117 m2 plot as recorded by HM Land Registry.
All 23 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.
Sold Prices
42, Halsey Street last changed hands on 8th June 2017, selling for £4,500,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 25.5% since June 2017.
- Sold Jun 2017£4,500,000
- Sold Jul 2009£3,175,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 54 sales of comparable properties within 210 metres of 42, Halsey Street across the last 2 years.
Most recently, 21, Halsey Street, London, SW3 2QH, a freehold house, sold at £4,825,000 on the 16th December 2025.
Read more about house prices in SW3.
- Sold Dec 2025£4,825,000 | 5 Bed House21, Halsey Street, London, SW3 2QH21, Halsey Street, London, SW3 2QH
- Sold Oct 2025£5,500,000 | 4 Bed House18, Halsey Street, London, SW3 2QH18, Halsey Street, London, SW3 2QH
- Sold Apr 2022£4,250,000 | 4 Bed House15, Halsey Street, London, SW3 2QH15, Halsey Street, London, SW3 2QH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 42, Halsey Street as the 11th largest and the 15th most expensive of the 51 addresses on Halsey Street, London, SW3.
Against the SW3 postcode district average, it is £2.129m more expensive than the typical property.
More reading links
Schools Nearby
- St Joseph's Catholic Primary School100 m away
- Marlborough Primary School200 m away
- Holy Trinity CofE Primary School400 m away
- St. Thomas More Language College100 m away
- Westminster City School1.7 km away
- Pimlico Academy1.9 km away
More reading links
Public Transport Nearby
- Sloane Square|500 m away
- Knightsbridge|700 m away
- South Kensington|800 m away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












