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According to the public record, 12, Alexander Square is a period freehold house with 3,067 ft2 of internal area and sits on a 159 m2 plot.
Houses of this size in this area normally have 6 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 12, Alexander Square is £6,869,544 and the estimated rental value is £17,854 per month.
Alexander Square, London, SW3 is located in the borough of Kensington and Chelsea within the SW3 postal district.
12, Alexander Square has a single entry in the Land Registry from August 2022 and a single entry in the EPC database dated April 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.
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 12, Alexander Square is in very good condition we estimate a sale value of £7,213,021 and a rental value of £18,747 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £6,388,676 and a rental value of £16,604 per month.
Over the last 12 months the sale value of 12 Alexander Square has decreased by an estimated £102,477 (1.5%) and its rental value has increased by an estimated £880 per month (4.9%), giving an expected gross yield of 3.1%.
According to data from HM Land Registry, 12, Alexander Square sits on a plot of 159m2.
We have plot size data on 8 out of 8 other houses in the postcode and 12, Alexander Square sits on the 4th largest plot.
12, Alexander Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Apr 2026.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 12, Alexander Square was last sold on 5th August 2022 for £7,165,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since August 2022, the market for similar properties has dropped 42.3%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 12, Alexander Square within a radius of 330 metres over the last 2 years.
The most recent example is 7, Alexander Square, London, SW3 2AY, a freehold house which sold for £7,750,000 on the 11th March 2025.
Read more about house prices in SW3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Alexander Square, London, SW3 has a total of 20 addresses. According to our analysis of all the public data, 12, Alexander Square is the 12th largest and the 12th most expensive property on the street.
When compared to the postcode district it is £4.79m more expensive than the average property in SW3.
The closest station to 12, Alexander Square is South Kensington station which is 300 metres away.
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around 12, Alexander Square, 41.0% of property is privately owned outright and 27.6% is privately owned with a mortgage.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 12, Alexander Square, 20.3% of residents are recorded as possessing school level qualifications and 62.3% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 12, Alexander Square, the average age was 41.9 and the most common age was 27.
The graph below shows how this compares to Greater London and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 12, Alexander Square, 14.2% of property was a second home.
Comparison figures for Greater London and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 12, Alexander Square, there are an average of 1.0 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.
