Our Data Sources
20, Heol Y Castell, Cardiff has no 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 5 out of 5 and is considered of high accuracy.
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 20, Heol Y Castell, Cardiff is in very good condition we estimate a sale value of £213,244 and a rental value of £1,391 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £188,873 and a rental value of £1,232 per month.
Plot Size
According to data from HM Land Registry, 20, Heol Y Castell, Cardiff sits on a plot of 177 m2.
We have plot size data on 15 out of 24 other houses in the postcode and 20, Heol Y Castell, Cardiff sits on the 11th largest plot.
Energy Efficiency
20, Heol Y Castell, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 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).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 211 sales of properties similar to 20, Heol Y Castell, Cardiff within a radius of 540 metres since 2018.
The most recent example is 14, Woodlands Park Drive, Cardiff, CF5 5RB, a leasehold house which sold for £220,000 on the 9th December 2025.
Read more about house prices in CF5.
- Sold Dec 2025£220,000 | 3 Bed House14, Woodlands Park Drive, Cardiff, CF5 5RB14, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Nov 2025£205,000 | 3 Bed House85, Heol Poyston, Cardiff, CF5 5LZ85, Heol Poyston, Cardiff, CF5 5LZ
- Sold Sep 2025£185,000 | 3 Bed House274, Heol Trelai, Cardiff, CF5 5PH274, Heol Trelai, Cardiff, CF5 5PH
- Sold Aug 2025£195,000 | 3 Bed House11, Woodlands Park Drive, Cardiff, CF5 5RB11, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Jul 2025£180,000 | 3 Bed House2, Heol Y Castell, Cardiff, CF5 5LS2, Heol Y Castell, Cardiff, CF5 5LS
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 £191,667, ranging from £169,993 to £222,380.
- 18 Heol Y Castell
3 Bed House | 7 m | Est. Value: £194,497
- 22 Heol Y Castell
3 Bed House | 9 m | Est. Value: £184,468
- 24 Heol Y Castell
3 Bed House | 15 m | Est. Value: £172,020
- 16 Heol Y Castell
3 Bed House | 16 m | Est. Value: £199,910
- 14 Heol Y Castell
3 Bed House | 24 m | Est. Value: £193,396
Location Comparison
Heol Y Castell, Ely, Cardiff, CF5 has a total of 65 addresses. According to our analysis of all the public data, 20, Heol Y Castell, Cardiff is the 6th largest and the 18th most expensive property on the street.
When compared to the postcode district it is £91k less expensive than the average property in CF5.
More reading links
Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.5 km away
- Fairwater|2.9 km away
- Ninian Park|3.5 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.
