According to data from HM Land Registry, 3, Heol Trefgarne, Cardiff sits on a plot of 251 m².

We have plot size data on 3 out of 6 other houses in the postcode and 3, Heol Trefgarne, Cardiff sits on the 3rd largest plot.

3, Heol Trefgarne, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Sep 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 66 sales of properties similar to 3, Heol Trefgarne, Cardiff within a radius of 550 metres since 2014.

The most recent example is 2, Heol Y Castell, Cardiff, CF5 5LS, a freehold house which sold for £180,000 on the 14th July 2025.

Read more about house prices in CF5.

• Sold Jul 2025£180,000 | 3 Bed House2, Heol Y Castell, Cardiff, CF5 5LS2, Heol Y Castell, Cardiff, CF5 5LS
• Sold Mar 2025£195,000 | 3 Bed House18, Heol Poyston, Cardiff, CF5 5LX18, Heol Poyston, Cardiff, CF5 5LX
• Sold Feb 2025£180,000 | 3 Bed House3, Heol Poyston, Cardiff, CF5 5LX3, Heol Poyston, Cardiff, CF5 5LX
• Sold Oct 2024£203,500 | 3 Bed House304, Heol Trelai, Cardiff, CF5 5PJ304, Heol Trelai, Cardiff, CF5 5PJ
• Sold Oct 2024£185,000 | 3 Bed House37, Heol Pant Y Deri, Cardiff, CF5 5PL37, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Sep 2024£212,000 | 3 Bed House72, Heol Poyston, Cardiff, CF5 5LZ72, Heol Poyston, Cardiff, CF5 5LZ
• Sold Jul 2024£225,000 | 3 Bed House84, Heol Poyston, Cardiff, CF5 5LZ84, Heol Poyston, Cardiff, CF5 5LZ
• Sold Jan 2024£235,000 | 3 Bed House2, Caerau Park Crescent, Cardiff, CF5 5JJ2, Caerau Park Crescent, Cardiff, CF5 5JJ
• Sold Apr 2023£232,000 | 3 Bed House56, Heol Pant Y Deri, Cardiff, CF5 5PN56, Heol Pant Y Deri, Cardiff, CF5 5PN
• Sold Mar 2022£190,000 | 3 Bed House75, Caerau Lane, Cardiff, CF5 5HJ75, Caerau Lane, Cardiff, CF5 5HJ
• Sold Nov 2021£170,000 | 3 Bed House79, Heol Poyston, Cardiff, CF5 5LZ79, Heol Poyston, Cardiff, CF5 5LZ
• Sold Sep 2021£180,000 | 4 Bed House32, Heol Pant Y Deri, Cardiff, CF5 5PL32, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Sep 2020£185,000 | 3 Bed House35, Heol Pant Y Deri, Cardiff, CF5 5PL35, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Aug 2018£160,000 | 3 Bed House23, Heol Pant Y Deri, Cardiff, CF5 5PL23, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Aug 2018£151,000 | 3 Bed House10, Heol Y Castell, Cardiff, CF5 5LS10, Heol Y Castell, Cardiff, CF5 5LS
• Sold Feb 2017£100,000 | 3 Bed House13, Heol Pant Y Deri, Cardiff, CF5 5PL13, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Mar 2016£122,000 | 3 Bed House2, Heol Poyston, Cardiff, CF5 5LX2, Heol Poyston, Cardiff, CF5 5LX
• Sold Mar 2016£126,000 | 3 Bed House5, Heol Poyston, Cardiff, CF5 5LX5, Heol Poyston, Cardiff, CF5 5LX
• Sold Mar 2016£134,000 | 4 Bed House77, Heol Poyston, Cardiff, CF5 5LZ77, Heol Poyston, Cardiff, CF5 5LZ
• Sold Oct 2014£132,000 | 3 Bed House9, Church Road, Cardiff, CF5 5LQ9, Church Road, Cardiff, CF5 5LQ

Heol Trefgarne, Cardiff, CF5 has a total of 6 addresses. According to our analysis of all the public data, 3, Heol Trefgarne, Cardiff is the largest and the most expensive property on the street.

When compared to the postcode district it is £104k less expensive than the average property in CF5.

• Waun-Gron Park

  |

  2.5 km away
• Fairwater

  |

  2.9 km away
• Ninian Park

  |

  3.4 km away

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