Our Data Sources
23, First Street has no recent1 records in the Land Registry and a single entry in the EPC database dated May 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, First Street is in very good condition we estimate a sale value of £1,980,061 and a rental value of £7,072 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,753,768 and a rental value of £6,264 per month.
Energy Efficiency
23, First Street has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 May 2025.
The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 23, First Street was last sold on 22nd March 1999 for £695,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
- Sold Mar 1999£695,000
- Sold Jun 1997£450,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 19 sales of properties similar to 23, First Street within a radius of 260 metres since 2007.
The most recent example is 7, Milner Street, London, SW3 2QA, a leasehold flat which sold for £3,150,000 on the 5th August 2024.
Read more about house prices in SW3.
- Sold Aug 2024£3,150,000 | 3 Bed Flat7, Milner Street, London, SW3 2QA7, Milner Street, London, SW3 2QA
- Sold Sep 2023£2,310,000 | 3 Bed FlatFlat 2, 25, Milner Street, London, SW3 2QDFlat 2, 25, Milner Street, London, SW3 2QD
- Sold Jul 2022£2,750,000 | 3 Bed FlatFlat 1, 14, Lennox Gardens, London, SW1X 0DGFlat 1, 14, Lennox Gardens, London, SW1X 0DG
- Sold Dec 2021£2,060,000 | 3 Bed FlatHouse, 17, First Street, London, SW3 2LBHouse, 17, First Street, London, SW3 2LB
- Sold Aug 2020£2,100,000 | 3 Bed FlatFlat 10, 4-6, Lennox Gardens, London, SW1X 0DGFlat 10, 4-6, Lennox Gardens, London, SW1X 0DG
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 £2,823,407, ranging from £739,203 to £4,451,677.
- Basement
1 Bed Flat | 0 m | Est. Value: £739,203
- 25 First Street
3 Bed House | 5 m | Est. Value: £3,402,854
- 27 First Street
3 Bed House | 9 m | Est. Value: £3,435,967
- 19 First Street
3 Bed House | 9 m | Est. Value: £3,285,610
- 3 Richards Place
3 Bed House | 11 m | Est. Value: £1,066,202
Location Comparison
First Street, London, SW3 has a total of 53 addresses. According to our analysis of all the public data, 23, First Street is the 43rd largest and the 49th most expensive property on the street.
When compared to the postcode district it is £181k less expensive than the average property in SW3.
More reading links
Schools Nearby
- Marlborough Primary School200 m away
- St Joseph's Catholic Primary School300 m away
- Oratory Roman Catholic Primary School500 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|700 m away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





