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According to the public record, Flat 1, Onslow House 1, Surbiton is a modern apartment with 764 ft2 of internal area.
Apartments of this size in this area normally have 2 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for Flat 1, Onslow House 1, Surbiton is £423,902 and the estimated rental value is £1,890 per month.
The apartment is within Onslow House, Crummock Chase, Surbiton, KT6.
Crummock Chase, Surbiton, KT6 is located in the borough of Kingston upon Thames within the KT6 postal district.
Flat 1, Onslow House 1, Surbiton has no records in the the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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, Onslow House 1, Surbiton is in very good condition we estimate a sale value of £445,097 and a rental value of £1,984 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £394,229 and a rental value of £1,758 per month.
Over the last 12 months the sale value of Flat 1 Onslow House 1 Surbiton has decreased by an estimated £1,128 (0.3%) and its rental value has increased by an estimated £50 per month (2.7%), giving an expected gross yield of 5.4%.
Flat 1, Onslow House 1, Surbiton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 1, Onslow House 1, Surbiton within a radius of 370 metres over the last 2 years.
The most recent example is 1 Chene Colline Court, Glenbuck Road, Surbiton, KT6 6BH, a leasehold flat which sold for £499,950 on the 12th March 2026.
Read more about house prices in KT6.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Crummock Chase, Surbiton, KT6 has a total of 7 addresses. According to our analysis of all the public data, Flat 1, Onslow House 1, Surbiton is the largest and the most expensive property on the street.
When compared to the postcode district it is £166k less expensive than the average property in KT6.
The nearest school is St Andrew's and St Mark's CofE Junior School which is 300 metres away. The nearest train station is Surbiton which is 200 metres away.
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