1, Heol Trefgarne, Cardiff occupies a 259 m² plot as recorded by HM Land Registry.

Of the 6 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the 2nd largest.

1, Heol Trefgarne, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 May 2026.

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

1, Heol Trefgarne, Cardiff last changed hands on 21st February 2014, selling for £70,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 133.1% since February 2014.

• Sold Feb 2014£70,000

Land Registry records and our Estate Agent network show 23 sales of comparable properties within 540 metres of 1, Heol Trefgarne, Cardiff since 2007.

Most recently, 34, Heol Pant Y Deri, Cardiff, CF5 5PL, a freehold house, sold at £175,000 on the 29th August 2025.

Read more about house prices in CF5.

• Sold Aug 2025£175,000 | 3 Bed House34, Heol Pant Y Deri, Cardiff, CF5 5PL34, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Feb 2025£180,000 | 3 Bed House3, Heol Poyston, Cardiff, CF5 5LX3, Heol Poyston, Cardiff, CF5 5LX
• Sold Jun 2024£190,000 | 3 Bed House11, Heol Poyston, Cardiff, CF5 5LX11, Heol Poyston, Cardiff, CF5 5LX
• Sold Oct 2023£182,000 | 3 Bed House22, Heol Y Castell, Cardiff, CF5 5LS22, Heol Y Castell, Cardiff, CF5 5LS
• Sold May 2023£162,500 | 3 Bed House2, Heol Trefgarne, Cardiff, CF5 5LW2, Heol Trefgarne, Cardiff, CF5 5LW
• Sold Oct 2021£192,000 | 3 Bed House53, Heol Pant Y Deri, Cardiff, CF5 5PN53, Heol Pant Y Deri, Cardiff, CF5 5PN
• Sold Sep 2019£138,000 | 3 Bed House3, Heol Pant Y Deri, Cardiff, CF5 5PL3, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Jan 2019£115,000 | 3 Bed House45, Heol Y Castell, Cardiff, CF5 5LR45, Heol Y Castell, Cardiff, CF5 5LR
• Sold Apr 2018£135,000 | 3 Bed House341, Heol Trelai, Cardiff, CF5 5LJ341, Heol Trelai, Cardiff, CF5 5LJ
• Sold Aug 2017£142,500 | 3 Bed House41, Caerau Road, Cardiff, CF5 5JP41, Caerau Road, Cardiff, CF5 5JP
• Sold Jul 2016£138,000 | 3 Bed House12, Heol Y Castell, Cardiff, CF5 5LS12, Heol Y Castell, Cardiff, CF5 5LS
• Sold Nov 2015£142,500 | 3 Bed House36, Heol Y Castell, Cardiff, CF5 5LS36, Heol Y Castell, Cardiff, CF5 5LS
• Sold Jun 2015£118,000 | 3 Bed House2, Heol Pant Y Deri, Cardiff, CF5 5PL2, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Jan 2015£97,000 | 3 Bed House21, Heol Pant Y Deri, Cardiff, CF5 5PL21, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Jul 2014£133,000 | 3 Bed House53, Heol Y Castell, Cardiff, CF5 5LR53, Heol Y Castell, Cardiff, CF5 5LR
• Sold Aug 2013£86,000 | 3 Bed House335, Heol Trelai, Cardiff, CF5 5LJ335, Heol Trelai, Cardiff, CF5 5LJ
• Sold Jan 2012£70,000 | 3 Bed House10, Heol Poyston, Cardiff, CF5 5LX10, Heol Poyston, Cardiff, CF5 5LX
• Sold May 2011£60,000 | 3 Bed House23, Heol Poyston, Cardiff, CF5 5LX23, Heol Poyston, Cardiff, CF5 5LX
• Sold Oct 2010£86,250 | 3 Bed House12, Heol Poyston, Cardiff, CF5 5LX12, Heol Poyston, Cardiff, CF5 5LX
• Sold Nov 2007£64,000 | 3 Bed House23, Heol Deva, Cardiff, CF5 5NA23, Heol Deva, Cardiff, CF5 5NA

Our analysis of the public data ranks 1, Heol Trefgarne, Cardiff as the 3rd largest and the 3rd most expensive of the 6 addresses on Heol Trefgarne, Cardiff, CF5.

Against the CF5 postcode district average, it is £127k less expensive than the typical property.

• Waun-Gron Park

  |

  2.5 km away
• Fairwater

  |

  2.9 km away
• Ninian Park

  |

  3.4 km away

Environment Agency data suggests this area has a Very Low risk of flooding.