Our Data Sources
7, Heol Y Castell, Cardiff has no records in the Land Registry and a single entry in the EPC database dated February 2025.
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
In very good condition, we estimate 7, Heol Y Castell, Cardiff would be worth £110,467, with a potential rental value of £852 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £97,842, with a rental value of £755 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
7, Heol Y Castell, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Feb 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
Land Registry records and our Estate Agent network show 20 sales of comparable properties within 550 metres of 7, Heol Y Castell, Cardiff since 2008.
Most recently, Flat 7, Harrington Court, Heol Poyston, Cardiff, CF5 5LA, a leasehold flat, sold at £120,000 on the 9th February 2026.
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.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £128,892, ranging from £94,490 to £230,308.
- 3 Heol Y Castell
2 Bed Flat | 0 m | Est. Value: £105,207
- 11 Heol Y Castell
1 Bed Flat | 9 m | Est. Value: £100,042
- 5 Heol Y Castell
1 Bed Flat | 9 m | Est. Value: £100,164
- 17 Heol Y Castell
2 Bed Flat | 16 m | Est. Value: £104,149
- 13 Heol Y Castell
3 Bed House | 16 m | Est. Value: £208,741
Location Comparison
Our analysis of the public data ranks 7, Heol Y Castell, Cardiff as the 51st largest and the 52nd most expensive of the 65 addresses on Heol Y Castell, Ely, Cardiff, CF5.
Against the CF5 postcode district average, it is £188k less expensive than the typical property.
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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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












