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As updated by Bellfords International in June 2025, Flat 1, 97, Onslow Square is a period leasehold apartment with 1,140 ft2 of internal area comprising 3 bedrooms.
The property has 100 years remaining on the lease.
Based on available information, and assuming reasonable condition, the estimated sale value for Flat 1, 97, Onslow Square is £1,702,703 and the estimated rental value is £7,087 per month.
The apartment is within 97, Onslow Square, London, SW7.
Onslow Square, London, SW7 is located in the borough of Kensington and Chelsea within the SW7 postal district.
Flat 1, 97, 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 2 out of 5 and is considered of medium 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 Flat 1, 97, Onslow Square is in very good condition we estimate a sale value of £1,787,838 and a rental value of £7,441 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,583,514 and a rental value of £6,591 per month.
Over the last 12 months the sale value of Flat 1 97 Onslow Square has decreased by an estimated £31,327 (1.8%) and its rental value has increased by an estimated £523 per month (7.4%), giving an expected gross yield of 5%.
Flat 1, 97, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Sep 2020.
The property is connected to mains gas and has single glazed windows. It is heated using Community scheme.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 1, 97, Onslow Square within a radius of 250 metres over the last 2 years.
The most recent example is Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat which sold for £1,850,000 on the 6th March 2026.
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, Flat 1, 97, Onslow Square is the 192nd largest and the 208th most expensive property on the street.
When compared to the postcode district it is £344k less expensive than the average property in SW7.
The closest station to Flat 1, 97, Onslow Square is South Kensington station which is 300 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 Flat 1, 97, Onslow Square, 43.8% of property is privately rented and 37.5% is privately owned outright.
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 Flat 1, 97, Onslow Square, 18.9% of residents are recorded as possessing school level qualifications and 73.0% 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 Flat 1, 97, 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 Flat 1, 97, Onslow Square, 20.4% 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 Flat 1, 97, Onslow Square, there are an average of 0.9 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.
