Our Data Sources
20, Alexander Square has 41 entries in the Land Registry, most recently in May 2023 and a single entry in the EPC database dated March 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 20, Alexander Square is in very good condition we estimate a sale value of £9,715,315 and a rental value of £26,333 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £8,604,993 and a rental value of £23,323 per month.
Plot Size
According to data from HM Land Registry, 20, Alexander Square sits on a plot of 180 m2.
We have plot size data on 7 out of 7 other houses in the postcode and 20, Alexander Square sits on the 3rd largest plot.
Energy Efficiency
20, Alexander Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Mar 2015.
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, 20, Alexander Square was last sold on 5th May 2023 for £11,000,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since May 2023, the market for similar properties has dropped by 39.4%.
- Sold May 2023£11,000,000
- Sold Feb 2004£3,750,000
- Sold May 1998£445,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 9 sales of properties similar to 20, Alexander Square within a radius of 300 metres since 2014.
The most recent example is 59, Egerton Crescent, London, SW3 2ED, a freehold house which sold for £10,000,000 on the 21st November 2025.
Read more about house prices in SW3.
- Sold Nov 2025£10,000,000 | 5 Bed House59, Egerton Crescent, London, SW3 2ED59, Egerton Crescent, London, SW3 2ED
- Sold Feb 2024£8,850,000 | 5 Bed House17, Alexander Square, London, SW3 2AX17, Alexander Square, London, SW3 2AX
- Sold Aug 2023£1,000,002 | 6 Bed House36, Thurloe Square, London, SW7 2SR36, Thurloe Square, London, SW7 2SR
- Sold Apr 2022£11,565,000 | 6 Bed House31, Egerton Crescent, London, SW3 2EB31, Egerton Crescent, London, SW3 2EB
- Sold Dec 2020£9,500,000 | 6 Bed House25, Thurloe Square, London, SW7 2SD25, Thurloe Square, London, SW7 2SD
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 £5,876,019, ranging from £3,275,250 to £8,506,154.
- 19 Alexander Square
5 Bed House | 8 m | Est. Value: £7,332,674
- 18 Alexander Square
5 Bed House | 12 m | Est. Value: £7,691,762
- 2 South Terrace
4 Bed House | 16 m | Est. Value: £5,136,722
- 17 Alexander Square
5 Bed House | 17 m | Est. Value: £8,506,154
- 1 South Terrace
5 Bed House | 25 m | Est. Value: £4,464,261
Location Comparison
Alexander Square, London, SW3 has a total of 20 addresses. According to our analysis of all the public data, 20, Alexander Square is the 2nd largest and the most expensive property on the street.
When compared to the postcode district it is £7.186m more expensive than the average property in SW3.
More reading links
Schools Nearby
- Marlborough Primary School300 m away
- Oratory Roman Catholic Primary School500 m away
- St Joseph's Catholic Primary School600 m away
- St. Thomas More Language College600 m away
- Chelsea Academy2.1 km away
- Westminster City School2.1 km away
More reading links
Public Transport Nearby
- South Kensington|300 m away
- Knightsbridge|700 m away
- Gloucester Road|900 m away
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
