Our Data Sources
45, Castle Avenue, Penarth has a single entry in the Land Registry from November 2014 and a single entry in the EPC database dated February 2015.
We combine this information with that 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 45, Castle Avenue, Penarth would be worth £313,476, with a potential rental value of £1,833 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £277,650, with a rental value of £1,624 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
45, Castle Avenue, Penarth occupies a 336 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 6th largest.
Energy Efficiency
45, Castle Avenue, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Feb 2015.
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
45, Castle Avenue, Penarth last changed hands on 19th November 2014, selling for £182,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 53.0% since November 2014.
- Sold Nov 2014£182,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 111 sales of comparable properties within 880 metres of 45, 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 Jun 2025£305,000 | 3 Bed House43, Castle Avenue, Penarth, CF64 3QT43, Castle Avenue, Penarth, CF64 3QT
- 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.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £292,583, ranging from £140,170 to £444,911.
- 43 Castle Avenue
3 Bed House | 8 m | Est. Value: £315,483
- 47 Castle Avenue
2 Bed House | 14 m | Est. Value: £289,187
- 2 Byrd Crescent
2 Bed Flat | 27 m | Est. Value: £141,530
- 4 Byrd Crescent
2 Bed Flat | 27 m | Est. Value: £140,170
- 78 Castle Avenue
4 Bed House | 34 m | Est. Value: £381,116
Location Comparison
Our analysis of the public data ranks 45, Castle Avenue, Penarth as the 53rd largest and the 76th most expensive of the 81 addresses on Castle Avenue, Penarth, CF64.
Against the CF64 postcode district average, it is £108k less expensive than the typical property.
More reading links
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.
