Our Data Sources
66, Castle Avenue, Penarth has 31 entries in the Land Registry, most recently in January 2025 and a single entry in the EPC database dated January 2024.
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.
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 66, Castle Avenue, Penarth is in very good condition we estimate a sale value of £343,404 and a rental value of £1,890 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £304,158 and a rental value of £1,674 per month.
Plot Size
According to data from HM Land Registry, 66, Castle Avenue, Penarth sits on a plot of 326 m2.
We have plot size data on 38 out of 40 other houses in the postcode and 66, Castle Avenue, Penarth sits on the 21st largest plot.
Energy Efficiency
66, Castle Avenue, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2024.
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, 66, Castle Avenue, Penarth was last sold on 3rd January 2025 for £325,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since January 2025, the market for similar properties has risen by 0.2%.
- Sold Jan 2025£325,000
- Sold Nov 2011£176,000
- Sold Sep 1997£63,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 137 sales of properties similar to 66, Castle Avenue, Penarth within a radius of 860 metres since 2016.
The most recent example is 17, Sullivan Close, Penarth, CF64 3QR, a freehold house which sold for £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 Dec 2025£320,000 | 3 Bed House64, Castle Avenue, Penarth, CF64 3QS64, Castle Avenue, Penarth, CF64 3QS
- Sold Aug 2025£382,500 | 3 Bed House20, Sullivan Close, Penarth, CF64 3QR20, Sullivan Close, Penarth, CF64 3QR
- Sold Aug 2025£280,000 | 3 Bed House68, Purcell Road, Penarth, CF64 3QN68, Purcell Road, Penarth, CF64 3QN
- Sold Jun 2025£376,000 | 3 Bed House53, Byrd Crescent, Penarth, CF64 3QU53, Byrd Crescent, Penarth, CF64 3QU
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 £355,425, ranging from £215,485 to £471,212.
- 68 Castle Avenue
3 Bed House | 8 m | Est. Value: £333,192
- 64 Castle Avenue
3 Bed House | 12 m | Est. Value: £337,195
- 70 Castle Avenue
3 Bed House | 20 m | Est. Value: £341,148
- 72 Castle Avenue
3 Bed House | 28 m | Est. Value: £335,200
- 35 Castle Avenue
3 Bed House | 32 m | Est. Value: £350,530
Location Comparison
Castle Avenue, Penarth, CF64 has a total of 81 addresses. According to our analysis of all the public data, 66, Castle Avenue, Penarth is the 67th largest and the 66th most expensive property on the street.
When compared to the postcode district it is £79k less expensive than the average property in CF64.
More reading links
Schools Nearby
Public Transport Nearby
- Penarth|1.5 km away
- Dingle Road|1.8 km away
- Eastbrook|2.1 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.
