Our Data Sources
42, First Street has 31 entries in the Land Registry, most recently in February 2016 and a single entry in the EPC database dated March 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 42, First Street, we estimate a market value of £3,514,017 and a rental value of £11,902 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £3,112,415 and £10,541 per month respectively.
Plot Size
HM Land Registry records the plot of land for 42, First Street as measuring 78 m2.
That makes it the 12th largest plot in the postcode, where 24 of the 26 other houses have recorded plot data.
Energy Efficiency
42, First Street has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas, boiler and radiators, mains gas).
Sold Prices
The most recent sale of 42, First Street completed on 11th February 2016 at £3,450,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 25.5% over the period since February 2016.
- Sold Feb 2016£3,450,000
- Sold Mar 2004£1,010,000
- Sold Aug 1997£550,000
Similar Properties Sold Nearby
Since 2018 74 properties similar to 42, First Street have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th April 2026, was 39, Hasker Street, London, SW3 2LE, a freehold house which sold for £3,050,000.
Read more about house prices in SW3.
- Sold Apr 2026£3,050,000 | 3 Bed House39, Hasker Street, London, SW3 2LE39, Hasker Street, London, SW3 2LE
- Sold Feb 2026£3,125,000 | 4 Bed House14, Ovington Street, London, SW3 2JB14, Ovington Street, London, SW3 2JB
- Sold Nov 2025£3,300,000 | 3 Bed HouseAvenue House, 97, Walton Street, London, SW3 2HPAvenue House, 97, Walton Street, London, SW3 2HP
- Sold Oct 2025£3,250,000 | 3 Bed House36, Hasker Street, London, SW3 2LQ36, Hasker Street, London, SW3 2LQ
- Sold Jul 2025£3,700,000 | 4 Bed House14, First Street, London, SW3 2LD14, First Street, London, SW3 2LD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £3,399,144, ranging from £2,949,285 to £4,941,187.
- 40 First Street
3 Bed House | 4 m | Est. Value: £2,991,302
- 44 First Street
3 Bed House | 5 m | Est. Value: £3,313,692
- 46 First Street
3 Bed House | 9 m | Est. Value: £3,444,660
- 37 Hasker Street
3 Bed House | 12 m | Est. Value: £2,949,285
- 39 Hasker Street
3 Bed House | 13 m | Est. Value: £3,348,318
Location Comparison
Of the 53 addresses on First Street, London, SW3, 42, First Street comes out as the 31st largest and the 31st most expensive in our analysis of the public data.
It is also £1.28m more expensive than the average property across the SW3 district.
More reading links
Schools Nearby
- Marlborough Primary School200 m away
- St Joseph's Catholic Primary School300 m away
- Oratory Roman Catholic Primary School600 m away
- St. Thomas More Language College300 m away
- Westminster City School1.9 km away
- Pimlico Academy2.1 km away
More reading links
Public Transport Nearby
- South Kensington|600 m away
- Knightsbridge|600 m away
- Sloane Square|600 m away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





