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By comparing it to neighbours, we estimate that it is a modern apartment with 592 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 2, 423, Blackfen Road, Sidcup is £285,828 and the estimated rental value is £1,552 per month.
The apartment is within 423, Blackfen Road, Sidcup, DA15.
Blackfen Road, Sidcup, DA15 is located in the borough of Bexley within the DA15 postal district.
Flat 2, 423, Blackfen Road, Sidcup has 41 entries in the Land Registry , most recently in January 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 5 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 Flat 2, 423, Blackfen Road, Sidcup is in very good condition we estimate a sale value of £300,120 and a rental value of £1,630 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £265,820 and a rental value of £1,443 per month.
Over the last 12 months the sale value of Flat 2 423 Blackfen Road Sidcup has increased by an estimated £846 (0.3%) and its rental value has increased by an estimated £61 per month (3.9%), giving an expected gross yield of 6.5%.
According to HM Land Registry, Flat 2, 423, Blackfen Road, Sidcup was last sold on 15th January 2007 for £148,000 and was recorded as a leasehold flat.
The property has had 4 sales since 1995.
Since January 2007, the market for similar properties has risen 73.9%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 2, 423, Blackfen Road, Sidcup within a radius of 590 metres over the last 2 years.
The most recent example is 82, Park Mead, Sidcup, DA15 9PF, a leasehold flat which sold for £280,000 on the 16th March 2026.
Read more about house prices in DA15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Blackfen Road, Sidcup, DA15 has a total of 418 addresses. According to our analysis of all the public data, Flat 2, 423, Blackfen Road, Sidcup is the 344th largest and the 331st most expensive property on the street.
When compared to the postcode district it is £220k less expensive than the average property in DA15.
The nearest school is Blackfen School for Girls which is 105 metres away. The nearest train station is Sidcup which is 1.8 kilometres away.
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