Our Data Sources
31, Heol Y Castell, Cardiff has no records in the Land Registry and a single entry in the EPC database dated June 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 31, Heol Y Castell, Cardiff, we estimate a market value of £109,357 and a rental value of £848 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £96,859 and £751 per month respectively.
Energy Efficiency
31, Heol Y Castell, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Jun 2023.
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
Since 2008 17 properties similar to 31, Heol Y Castell, Cardiff have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th February 2026, was Flat 7, Harrington Court, Heol Poyston, Cardiff, CF5 5LA, a leasehold flat which sold for £120,000.
Read more about house prices in CF5.
- Sold Feb 2026£120,000 | 2 Bed FlatFlat 7, Harrington Court, Heol Poyston, Cardiff, CF5 5LAFlat 7, Harrington Court, Heol Poyston, Cardiff, CF5 5LA
- Sold Jun 2025£120,000 | 2 Bed Flat229, Heol Trelai, Cardiff, CF5 5LF229, Heol Trelai, Cardiff, CF5 5LF
- Sold Feb 2024£107,000 | 2 Bed FlatFlat 1, Harrington Court, Heol Poyston, Cardiff, CF5 5LAFlat 1, Harrington Court, Heol Poyston, Cardiff, CF5 5LA
- Sold May 2022£115,000 | 1 Bed Flat241, Heol Trelai, Cardiff, CF5 5LF241, Heol Trelai, Cardiff, CF5 5LF
- Sold Nov 2021£85,000 | 2 Bed FlatFlat 4, Harrington House, Heol Poyston, Cardiff, CF5 5LAFlat 4, Harrington House, Heol Poyston, Cardiff, CF5 5LA
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 £135,830, ranging from £94,490 to £230,308.
- 35 Heol Y Castell
1 Bed Flat | 0 m | Est. Value: £100,042
- 33 Heol Y Castell
2 Bed Flat | 8 m | Est. Value: £104,149
- 29 Heol Y Castell
2 Bed Flat | 8 m | Est. Value: £103,495
- 27 Heol Y Castell
1 Bed Flat | 16 m | Est. Value: £94,490
- 39 Heol Y Castell
3 Bed House | 19 m | Est. Value: £198,437
Location Comparison
Of the 65 addresses on Heol Y Castell, Ely, Cardiff, CF5, 31, Heol Y Castell, Cardiff comes out as the 57th largest and the 58th most expensive in our analysis of the public data.
It is also £190k less expensive than the average property across the CF5 district.
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Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.4 km away
- Fairwater|2.8 km away
- Ninian Park|3.4 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
