Our Data Sources
86, Castle Avenue, Penarth has no records in the Land Registry and a single entry in the EPC database dated December 2017.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 86, Castle Avenue, Penarth would be worth £309,784, with a potential rental value of £1,823 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £274,380, with a rental value of £1,615 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
86, Castle Avenue, Penarth occupies a 269 m2 plot as recorded by HM Land Registry.
All 20 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
86, Castle Avenue, Penarth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Dec 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 113 sales of comparable properties within 850 metres of 86, Castle Avenue, Penarth since 2013.
Most recently, 64, Castle Avenue, Penarth, CF64 3QS, a freehold house, sold at £320,000 on the 10th December 2025.
Read more about house prices in CF64.
- Sold Dec 2025£320,000 | 3 Bed House64, Castle Avenue, Penarth, CF64 3QS64, Castle Avenue, Penarth, CF64 3QS
- Sold Aug 2025£280,000 | 3 Bed House68, Purcell Road, Penarth, CF64 3QN68, Purcell Road, Penarth, CF64 3QN
- Sold Jul 2025£275,000 | 3 Bed House28, St. Peters Road, Penarth, CF64 3PP28, St. Peters Road, Penarth, CF64 3PP
- Sold Jul 2025£267,500 | 3 Bed House22, St. Peters Road, Penarth, CF64 3PP22, St. Peters Road, Penarth, CF64 3PP
- Sold Mar 2025£296,500 | 3 Bed House55, Sullivan Close, Penarth, CF64 3QR55, Sullivan Close, Penarth, CF64 3QR
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 £301,791, ranging from £148,962 to £390,401.
- 82 Castle Avenue
3 Bed House | 18 m | Est. Value: £302,019
- 92 Castle Avenue
4 Bed House | 26 m | Est. Value: £361,206
- 80 Castle Avenue
4 Bed House | 29 m | Est. Value: £388,710
- 53 Castle Avenue
3 Bed House | 30 m | Est. Value: £302,019
- 51 Castle Avenue
3 Bed House | 33 m | Est. Value: £298,549
Location Comparison
Our analysis of the public data ranks 86, Castle Avenue, Penarth as the 65th largest and the 78th most expensive of the 81 addresses on Castle Avenue, Penarth, CF64.
Against the CF64 postcode district average, it is £111k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Penarth|1.5 km away
- Dingle Road|1.7 km away
- Eastbrook|1.9 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.





