Our Data Sources
5, Castle Avenue, Penarth has no records in the Land Registry and a single entry in the EPC database dated October 2018.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 5, Castle Avenue, Penarth would be worth £409,663, with a potential rental value of £2,052 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £362,844, with a rental value of £1,818 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5, Castle Avenue, Penarth occupies a 30,046 m2 plot as recorded by HM Land Registry.
All 21 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
5, Castle Avenue, Penarth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Oct 2018.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 101 sales of comparable properties within 810 metres of 5, Castle Avenue, Penarth since 2016.
Most recently, 17, Sullivan Close, Penarth, CF64 3QR, a freehold house, sold at £315,000 on the 17th February 2026.
Read more about house prices in CF64.
- Sold Feb 2026£315,000 | 3 Bed House17, Sullivan Close, Penarth, CF64 3QR17, Sullivan Close, Penarth, CF64 3QR
- Sold Jan 2026£430,000 | 4 Bed House7, Dowland Road, Penarth, CF64 3QX7, Dowland Road, Penarth, CF64 3QX
- Sold Dec 2025£465,000 | 3 Bed House16, Beechwood Drive, Penarth, CF64 3QZ16, Beechwood Drive, Penarth, CF64 3QZ
- Sold Nov 2025£425,000 | 3 Bed House16, Althorp Drive, Penarth, CF64 5FF16, Althorp Drive, Penarth, CF64 5FF
- Sold Sep 2025£387,000 | 3 Bed House22, Castle Avenue, Penarth, CF64 3QS22, Castle Avenue, Penarth, CF64 3QS
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £558,524, ranging from £405,779 to £788,540.
- 37 Chantry Rise
4 Bed House | 19 m | Est. Value: £512,069
- 1 Castle Avenue
4 Bed House | 26 m | Est. Value: £431,152
- 33 Chantry Rise
3 Bed House | 35 m | Est. Value: £458,343
- 2 Castle Avenue
4 Bed House | 41 m | Est. Value: £607,214
- 2A Castle Avenue
3 Bed House | 46 m | Est. Value: £405,779
Location Comparison
Our analysis of the public data ranks 5, Castle Avenue, Penarth as the 26th largest and the 20th most expensive of the 81 addresses on Castle Avenue, Penarth, CF64.
Against the CF64 postcode district average, it is £16k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Penarth|1.6 km away
- Dingle Road|1.8 km away
- Eastbrook|2.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





