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Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 20, Gloucester Avenue, Sidcup is £467,946 and the estimated rental value is £1,699 per month.
Gloucester Avenue, Sidcup, DA15 is located in the borough of Bexley within the DA15 postal district.
20, Gloucester Avenue, Sidcup has a single entry in the Land Registry from September 2025 and a single entry in the EPC database dated February 2025.
We combine this information with that of neighbouring properties to estimate the property 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 20, Gloucester Avenue, Sidcup is in very good condition we estimate a sale value of £491,343 and a rental value of £1,784 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £435,190 and a rental value of £1,580 per month.
Over the last 12 months the sale value of 20 Gloucester Avenue Sidcup has increased by an estimated £4,192 (0.9%) and its rental value has increased by an estimated £85 per month (5.0%), giving an expected gross yield of 4.4%.
According to data from HM Land Registry, 20, Gloucester Avenue, Sidcup sits on a plot of 257m2.
We have plot size data on 24 out of 24 other houses in the postcode and 20, Gloucester Avenue, Sidcup sits on the 5th largest plot.
20, Gloucester Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Feb 2025.
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, 20, Gloucester Avenue, Sidcup was last sold on 11th September 2025 for £520,000 and was recorded as a leasehold house.
The property has only had this single sale since 1995.
Since September 2025, the market for similar properties has dropped 14.7%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 20, Gloucester Avenue, Sidcup within a radius of 550 metres over the last 2 years.
The most recent example is 5, York Avenue, Sidcup, DA15 7LJ, a freehold house which sold for £585,000 on the 9th September 2024.
Read more about house prices in DA15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Gloucester Avenue, Sidcup, DA15 has a total of 61 addresses. According to our analysis of all the public data, 20, Gloucester Avenue, Sidcup is the 44th largest and the 60th most expensive property on the street.
When compared to the postcode district it is £38k less expensive than the average property in DA15.
The nearest school is Longlands Primary School which is 321 metres away. The nearest train station is Sidcup which is 800 metres away.
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