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According to the public record, 21A, Gordon Road, Sidcup is a early-century leasehold apartment with 645 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 21A, Gordon Road, Sidcup is £324,221 and the estimated rental value is £1,657 per month.
The apartment is within 21, Gordon Road, Sidcup, DA15.
Gordon Road, Sidcup, DA15 is located in the borough of Bexley within the DA15 postal district.
21A, Gordon Road, Sidcup has 41 entries in the Land Registry , most recently in June 2023 and a single entry in the EPC database dated February 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
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 21A, Gordon Road, Sidcup is in very good condition we estimate a sale value of £340,432 and a rental value of £1,740 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £301,525 and a rental value of £1,541 per month.
Over the last 12 months the sale value of 21A Gordon Road Sidcup has increased by an estimated £959 (0.3%) and its rental value has increased by an estimated £65 per month (3.9%), giving an expected gross yield of 6.1%.
21A, Gordon Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Feb 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 HM Land Registry, 21A, Gordon Road, Sidcup was last sold on 7th June 2023 for £336,000 and was recorded as a leasehold flat.
The property has had 4 sales since 1995.
Since June 2023, the market for similar properties has risen 7.1%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21A, Gordon Road, Sidcup within a radius of 490 metres over the last 2 years.
The most recent example is 104, Blackfen Road, Sidcup, DA15 8SW, a leasehold flat which sold for £290,000 on the 9th February 2026.
Read more about house prices in DA15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Gordon Road, Sidcup, DA15 has a total of 38 addresses. According to our analysis of all the public data, 21A, Gordon Road, Sidcup is the 37th largest and the 36th most expensive property on the street.
When compared to the postcode district it is £182k less expensive than the average property in DA15.
The nearest school is Alderwood Primary School which is 487 metres away. The nearest train station is Falconwood which is 1.0 kilometres away.
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