Our Data Sources
Flat 4, 21, Castle Avenue has no recent1 records in the Land Registry and a single entry in the EPC database dated August 2025.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
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 4, 21, Castle Avenue is in very good condition we estimate a sale value of £408,411 and a rental value of £1,713 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £361,736 and a rental value of £1,517 per month.
Energy Efficiency
Flat 4, 21, Castle Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Aug 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, Flat 4, 21, Castle Avenue was last sold on 21st December 2004 for £169,500 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
- Sold Dec 2004£169,500
- Sold Aug 1997£62,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 138 sales of properties similar to Flat 4, 21, Castle Avenue within a radius of 470 metres since 2018.
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.
- Sold Mar 2026£420,000 | 2 Bed FlatFlat 9, 31, Castle Avenue, London, E4 9PYFlat 9, 31, Castle Avenue, London, E4 9PY
- Sold Jan 2026£375,000 | 2 Bed FlatFlat 8, 31, Castle Avenue, London, E4 9PYFlat 8, 31, Castle Avenue, London, E4 9PY
- Sold Sep 2025£410,000 | 2 Bed FlatFlat 3, Larkswood Court, The Avenue, London, E4 9SFFlat 3, Larkswood Court, The Avenue, London, E4 9SF
- Sold Feb 2025£390,000 | 2 Bed FlatFlat 1, Briarview Court, Handsworth Avenue, London, E4 9PQFlat 1, Briarview Court, Handsworth Avenue, London, E4 9PQ
- Sold May 2024£322,000 | 2 Bed FlatFlat 12, Briarview Court, Handsworth Avenue, London, E4 9PQFlat 12, Briarview Court, Handsworth Avenue, London, E4 9PQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £460,545, ranging from £335,580 to £1,080,240.
- Flat 2, 21 Castle Avenue
2 Bed Flat | 0 m | Est. Value: £399,814
- Flat 3, 21 Castle Avenue
2 Bed Flat | 0 m | Est. Value: £335,580
- Flat 5, 21 Castle Avenue
2 Bed Flat | 0 m | Est. Value: £339,571
- Flat 6, 21 Castle Avenue
2 Bed Flat | 0 m | Est. Value: £381,629
- Flat 1, 21 Castle Avenue
2 Bed Flat | 0 m | Est. Value: £359,080
Location Comparison
Castle Avenue, London, E4 has a total of 127 addresses. According to our analysis of all the public data, Flat 4, 21, Castle Avenue is the 68th largest and the 46th most expensive property on the street.
When compared to the postcode district it is £146k less expensive than the average property in E4.
More reading links
Schools Nearby
- Handsworth Primary School300 m away
- Oakhill Primary School600 m away
- Selwyn Primary School800 m away
- Highams Park School200 m away
- Woodford County High School1.1 km away
- South Chingford Foundation School1.2 km away
More reading links
Public Transport Nearby
- Highams Park|300 m away
- Woodford|2.1 km away
- Chingford|2.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
