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According to the public record, 12A, Gwillim Close, Sidcup is a mid-century leasehold apartment with 581 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 12A, Gwillim Close, Sidcup is £259,094 and the estimated rental value is £1,532 per month.
The apartment is within 12, Gwillim Close, Sidcup, DA15.
Gwillim Close, Sidcup, DA15 is located in the borough of Bexley within the DA15 postal district.
12A, Gwillim Close, Sidcup has 31 entries in the Land Registry , most recently in July 2019 and a single entry in the EPC database dated December 2013.
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 12A, Gwillim Close, Sidcup is in very good condition we estimate a sale value of £272,049 and a rental value of £1,608 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £240,958 and a rental value of £1,425 per month.
Over the last 12 months the sale value of 12A Gwillim Close Sidcup has increased by an estimated £766 (0.3%) and its rental value has increased by an estimated £60 per month (3.9%), giving an expected gross yield of 7.1%.
12A, Gwillim Close, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Dec 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 12A, Gwillim Close, Sidcup was last sold on 19th July 2019 for £265,000 and was recorded as a leasehold flat.
The property has had 3 sales since 1995.
Since July 2019, the market for similar properties has risen 17.6%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 12A, Gwillim Close, Sidcup within a radius of 460 metres over the last 2 years.
The most recent example is 16, Gwillim Close, Sidcup, DA15 9NQ, a leasehold flat which sold for £215,000 on the 19th December 2025.
Read more about house prices in DA15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Gwillim Close, Sidcup, DA15 has a total of 58 addresses. According to our analysis of all the public data, 12A, Gwillim Close, Sidcup is the 52nd largest and the 37th most expensive property on the street.
When compared to the postcode district it is £247k less expensive than the average property in DA15.
The nearest school is Blackfen School for Girls which is 513 metres away. The nearest train station is Welling which is 1.6 kilometres away.
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