According to data from HM Land Registry, 73, Heol Isaf, Cardiff sits on a plot of 460 m².

We have plot size data on 27 out of 28 other houses in the postcode and 73, Heol Isaf, Cardiff sits on the 14th largest plot.

73, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 10 Dec 2013.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 116 sales of properties similar to 73, Heol Isaf, Cardiff within a radius of 920 metres since 2014.

The most recent example is 17, Plas Y Mynach, Cardiff, CF15 8GB, a freehold house which sold for £640,000 on the 11th November 2025.

Read more about house prices in CF15.

• Sold Nov 2025£640,000 | 5 Bed House17, Plas Y Mynach, Cardiff, CF15 8GB17, Plas Y Mynach, Cardiff, CF15 8GB
• Sold Aug 2025£760,000 | 5 Bed House33, St. Philbert Street, Cardiff, CF15 8GW33, St. Philbert Street, Cardiff, CF15 8GW
• Sold Apr 2025£625,000 | 5 Bed House48, Fisher Hill Way, Cardiff, CF15 8DR48, Fisher Hill Way, Cardiff, CF15 8DR
• Sold Apr 2025£675,000 | 5 Bed House10, Garth Isaf, Cardiff, CF15 8GQ10, Garth Isaf, Cardiff, CF15 8GQ
• Sold Jan 2025£645,000 | 5 Bed House90, Heol Isaf, Cardiff, CF15 8EA90, Heol Isaf, Cardiff, CF15 8EA
• Sold Jan 2025£790,000 | 5 Bed House39, Llantarnam Drive, Cardiff, CF15 8GA39, Llantarnam Drive, Cardiff, CF15 8GA
• Sold Oct 2024£600,000 | 5 Bed House77, Heol Isaf, Cardiff, CF15 8DW77, Heol Isaf, Cardiff, CF15 8DW
• Sold Jun 2023£731,995 | 5 Bed House5, Tair Erw, Cardiff, CF15 8HQ5, Tair Erw, Cardiff, CF15 8HQ
• Sold Oct 2022£480,000 | 5 Bed House91, Heol Isaf, Cardiff, CF15 8DW91, Heol Isaf, Cardiff, CF15 8DW
• Sold Dec 2021£580,000 | 5 Bed House84, Heol Isaf, Cardiff, CF15 8EA84, Heol Isaf, Cardiff, CF15 8EA
• Sold Oct 2021£575,000 | 5 Bed House45, Heol Isaf, Cardiff, CF15 8AH45, Heol Isaf, Cardiff, CF15 8AH
• Sold Jun 2021£710,000 | 5 Bed House88, Heol Isaf, Cardiff, CF15 8EA88, Heol Isaf, Cardiff, CF15 8EA
• Sold May 2021£520,000 | 5 Bed House68, Heol Isaf, Cardiff, CF15 8DZ68, Heol Isaf, Cardiff, CF15 8DZ
• Sold Oct 2020£550,000 | 5 Bed House64, Heol Isaf, Cardiff, CF15 8DZ64, Heol Isaf, Cardiff, CF15 8DZ
• Sold Mar 2020£766,000 | 5 Bed House61, Heol Isaf, Cardiff, CF15 8DW61, Heol Isaf, Cardiff, CF15 8DW
• Sold Dec 2018£520,000 | 5 Bed House26, Heol Isaf, Cardiff, CF15 8AL26, Heol Isaf, Cardiff, CF15 8AL
• Sold Sep 2018£487,500 | 5 Bed House15, Plas Y Mynach, Cardiff, CF15 8GB15, Plas Y Mynach, Cardiff, CF15 8GB
• Sold Nov 2017£535,000 | 5 Bed House85, Heol Isaf, Cardiff, CF15 8DW85, Heol Isaf, Cardiff, CF15 8DW
• Sold Jul 2016£360,000 | 5 Bed House67, Heol Isaf, Cardiff, CF15 8DW67, Heol Isaf, Cardiff, CF15 8DW
• Sold Feb 2014£435,000 | 5 Bed House65, Heol Isaf, Cardiff, CF15 8DW65, Heol Isaf, Cardiff, CF15 8DW

Heol Isaf, Radyr, Cardiff, CF15 has a total of 161 addresses. According to our analysis of all the public data, 73, Heol Isaf, Cardiff is the 50th largest and the 74th most expensive property on the street.

When compared to the postcode district it is £260k more expensive than the average property in CF15.

• Radyr

  |

  400 m away
• Coryton

  |

  1.5 km away
• Llandaf

  |

  1.6 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.