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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
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As updated by Bellfords International in September 2025, Basement, 59A, Onslow Square is a period leasehold apartment with 516 ft2 of internal area comprising 1 bedroom with a garden.
The property has 165 years remaining on the lease.
Based on available information, and assuming reasonable condition, the estimated sale value for Basement, 59A, Onslow Square is £1,169,811 and the estimated rental value is £3,837 per month.
Onslow Square, London, SW7 is located in the borough of Kensington and Chelsea within the SW7 postal district.
Basement, 59A, Onslow Square 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 1 out of 5 and is considered of low 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 Basement, 59A, Onslow Square is in very good condition we estimate a sale value of £1,228,302 and a rental value of £4,029 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,087,924 and a rental value of £3,569 per month.
Over the last 12 months the sale value of Basement 59A Onslow Square has decreased by an estimated £35,545 (3.0%) and its rental value has increased by an estimated £248 per month (6.5%), giving an expected gross yield of 3.9%.
According to the Land Registry and our network of Estate Agents, there have been 3 property sales within a 270 metres radius of Basement, 59A, Onslow Square over the last 2 years.
The most recent example is 47, Onslow Square, London, SW7 3LR, a leasehold flat which sold for £4,950,000 on the 18th December 2020.
Read more about house prices in SW7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Basement, 59A, Onslow Square is the 314th largest and the 289th most expensive property on the street.
When compared to the postcode district it is £877k less expensive than the average property in SW7.
The closest station to Basement, 59A, Onslow Square is South Kensington station which is 100 metres away.
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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 Basement, 59A, Onslow Square, 43.0% of property is privately owned outright and 40.5% is privately rented.
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 Basement, 59A, Onslow Square, 26.0% of residents are recorded as possessing school level qualifications and 71.2% 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 Basement, 59A, Onslow Square, the average age was 38.5 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 Basement, 59A, Onslow Square, 8.2% 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 Basement, 59A, Onslow Square, there are an average of 0.5 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.
