HM Land Registry records the plot of land for 266, Heol Trelai, Cardiff as measuring 290 m².

That makes it the 9th largest plot in the postcode, where 30 of the 40 other houses have recorded plot data.

266, Heol Trelai, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Nov 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 266, Heol Trelai, Cardiff completed on 11th June 2013 at £112,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 135.1% over the period since June 2013.

• Sold Jun 2013£112,500

Since 2019 237 properties similar to 266, Heol Trelai, Cardiff have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 13th February 2026, was 7, Porthcawl Road, Cardiff, CF5 5HU, a freehold house which sold for £225,000.

Read more about house prices in CF5.

• Sold Feb 2026£225,000 | 3 Bed House7, Porthcawl Road, Cardiff, CF5 5HU7, Porthcawl Road, Cardiff, CF5 5HU
• Sold Sep 2025£185,000 | 3 Bed House274, Heol Trelai, Cardiff, CF5 5PH274, Heol Trelai, Cardiff, CF5 5PH
• Sold Jul 2025£223,000 | 3 Bed House12, Prendergast Place, Cardiff, CF5 5LP12, Prendergast Place, Cardiff, CF5 5LP
• Sold Jul 2025£256,000 | 3 Bed House4, Chepstow Close, Cardiff, CF5 5EJ4, Chepstow Close, Cardiff, CF5 5EJ
• Sold Jul 2025£180,000 | 3 Bed House2, Heol Y Castell, Cardiff, CF5 5LS2, Heol Y Castell, Cardiff, CF5 5LS
• Sold Mar 2025£180,000 | 3 Bed House62, Heol Pant Y Deri, Cardiff, CF5 5PN62, Heol Pant Y Deri, Cardiff, CF5 5PN
• Sold Nov 2024£250,000 | 3 Bed House228, Heol Trelai, Cardiff, CF5 5PH228, Heol Trelai, Cardiff, CF5 5PH
• Sold Oct 2024£185,000 | 3 Bed House37, Heol Pant Y Deri, Cardiff, CF5 5PL37, Heol Pant Y Deri, Cardiff, CF5 5PL
• Sold Aug 2024£223,000 | 3 Bed House234, Heol Trelai, Cardiff, CF5 5PH234, Heol Trelai, Cardiff, CF5 5PH
• Sold May 2024£245,000 | 3 Bed House12, Kilgetty Close, Cardiff, CF5 5PQ12, Kilgetty Close, Cardiff, CF5 5PQ
• Sold Jul 2023£182,000 | 3 Bed House16, Prendergast Place, Cardiff, CF5 5LP16, Prendergast Place, Cardiff, CF5 5LP
• Sold Jul 2023£187,500 | 3 Bed House35, Kilgetty Close, Cardiff, CF5 5PQ35, Kilgetty Close, Cardiff, CF5 5PQ
• Sold Apr 2023£212,000 | 3 Bed House51, Heol Pant Y Deri, Cardiff, CF5 5PN51, Heol Pant Y Deri, Cardiff, CF5 5PN
• Sold Apr 2023£232,000 | 3 Bed House56, Heol Pant Y Deri, Cardiff, CF5 5PN56, Heol Pant Y Deri, Cardiff, CF5 5PN
• Sold Feb 2023£206,000 | 3 Bed House210, Heol Trelai, Cardiff, CF5 5PH210, Heol Trelai, Cardiff, CF5 5PH
• Sold Dec 2022£250,000 | 3 Bed House3, Prendergast Place, Cardiff, CF5 5LP3, Prendergast Place, Cardiff, CF5 5LP
• Sold Aug 2022£225,000 | 3 Bed House124, Heol Carnau, Cardiff, CF5 5NG124, Heol Carnau, Cardiff, CF5 5NG
• Sold Jun 2020£170,000 | 3 Bed House214, Heol Trelai, Cardiff, CF5 5PH214, Heol Trelai, Cardiff, CF5 5PH
• Sold Oct 2019£135,000 | 3 Bed House4, Kilgetty Close, Cardiff, CF5 5PQ4, Kilgetty Close, Cardiff, CF5 5PQ
• Sold Mar 2019£172,000 | 3 Bed House232, Heol Trelai, Cardiff, CF5 5PH232, Heol Trelai, Cardiff, CF5 5PH

Of the 344 addresses on Heol Trelai, Cardiff, CF5, 266, Heol Trelai, Cardiff comes out as the 121st largest and the 98th most expensive in our analysis of the public data.

It is also £66k less expensive than the average property across the CF5 district.

• Waun-Gron Park

  |

  2.1 km away
• Fairwater

  |

  2.6 km away
• Ninian Park

  |

  3.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.