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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
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According to the public record, Flat 2, 21, Castle Avenue is a mid-century leasehold apartment with 710 ft2 of internal area.
Apartments of this size in this area normally have 2 bedrooms with a balcony.
Based on available information, and assuming reasonable condition, the estimated sale value for Flat 2, 21, Castle Avenue is £404,592 and the estimated rental value is £1,635 per month.
The apartment is within 21, Castle Avenue, London, E4.
Castle Avenue, London, E4 is located in the borough of Waltham Forest within the E4 postal district.
Flat 2, 21, Castle Avenue has 21 entries in the Land Registry , most recently in June 2022 and a single entry in the EPC database dated January 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 Flat 2, 21, Castle Avenue is in very good condition we estimate a sale value of £424,822 and a rental value of £1,716 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £376,271 and a rental value of £1,520 per month.
Over the last 12 months the sale value of Flat 2 21 Castle Avenue has increased by an estimated £2,099 (0.5%) and its rental value has increased by an estimated £37 per month (2.3%), giving an expected gross yield of 4.8%.
Flat 2, 21, Castle Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 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 HM Land Registry, Flat 2, 21, Castle Avenue was last sold on 24th June 2022 for £360,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
Since June 2022, the market for similar properties has dropped 4.4%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 2, 21, Castle Avenue within a radius of 470 metres over the last 2 years.
The most recent example is Flat 9, 31, Castle Avenue, London, E4 9PY, a leasehold flat which sold for £420,000 on the 18th March 2026.
Read more about house prices in E4.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Castle Avenue, London, E4 has a total of 127 addresses. According to our analysis of all the public data, Flat 2, 21, Castle Avenue is the 47th largest and the 43rd most expensive property on the street.
When compared to the postcode district it is £132k less expensive than the average property in E4.
The nearest school is Highams Park School which is 232 metres away. The nearest train station is Highams Park which is 300 metres away.
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