According to data from HM Land Registry, 40, Heddfan North, Cardiff sits on a plot of 102 m².

We have plot size data on 14 out of 35 other houses in the postcode and 40, Heddfan North, Cardiff sits on the 7th largest plot.

40, Heddfan North, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 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).

According to the Land Registry and our network of Estate Agents, there have been 44 sales of properties similar to 40, Heddfan North, Cardiff within a radius of 570 metres since 2014.

The most recent example is 49, The Hawthorns, Cardiff, CF23 7AQ, a freehold house which sold for £185,000 on the 28th November 2025.

Read more about house prices in CF23.

• Sold Nov 2025£185,000 | 3 Bed House49, The Hawthorns, Cardiff, CF23 7AQ49, The Hawthorns, Cardiff, CF23 7AQ
• Sold Aug 2025£190,000 | 3 Bed House62, Bryn Celyn, Cardiff, CF23 7EF62, Bryn Celyn, Cardiff, CF23 7EF
• Sold May 2025£165,000 | 3 Bed House18, Heddfan South, Cardiff, CF23 7EA18, Heddfan South, Cardiff, CF23 7EA
• Sold Oct 2024£177,000 | 4 Bed House42, Heddfan North, Cardiff, CF23 7EB42, Heddfan North, Cardiff, CF23 7EB
• Sold Jul 2024£170,000 | 4 Bed House62, Heddfan North, Cardiff, CF23 7EB62, Heddfan North, Cardiff, CF23 7EB
• Sold Jun 2024£165,000 | 3 Bed House218, Bryn Celyn, Cardiff, CF23 7EL218, Bryn Celyn, Cardiff, CF23 7EL
• Sold Oct 2023£180,000 | 3 Bed House24, Heddfan South, Cardiff, CF23 7EA24, Heddfan South, Cardiff, CF23 7EA
• Sold May 2023£210,000 | 3 Bed House12, Bryn Celyn, Cardiff, CF23 7EE12, Bryn Celyn, Cardiff, CF23 7EE
• Sold Mar 2022£152,000 | 4 Bed House56, Heddfan North, Cardiff, CF23 7EB56, Heddfan North, Cardiff, CF23 7EB
• Sold Jan 2022£148,000 | 3 Bed House63, Bryn Celyn, Cardiff, CF23 7EF63, Bryn Celyn, Cardiff, CF23 7EF
• Sold Apr 2021£175,000 | 3 Bed House93, Bryn Celyn, Cardiff, CF23 7EG93, Bryn Celyn, Cardiff, CF23 7EG
• Sold Feb 2021£130,000 | 3 Bed House96, Bryn Celyn, Cardiff, CF23 7EG96, Bryn Celyn, Cardiff, CF23 7EG
• Sold Sep 2020£225,000 | 4 Bed House34, Waun Fach, Cardiff, CF23 7BA34, Waun Fach, Cardiff, CF23 7BA
• Sold Jun 2019£120,000 | 3 Bed House58, Heddfan North, Cardiff, CF23 7EB58, Heddfan North, Cardiff, CF23 7EB
• Sold Feb 2019£131,000 | 3 Bed House73, Bryn Celyn, Cardiff, CF23 7EF73, Bryn Celyn, Cardiff, CF23 7EF
• Sold Nov 2018£153,000 | 3 Bed House71, Bryn Celyn, Cardiff, CF23 7EF71, Bryn Celyn, Cardiff, CF23 7EF
• Sold Apr 2018£150,000 | 3 Bed House214, Bryn Celyn, Cardiff, CF23 7EL214, Bryn Celyn, Cardiff, CF23 7EL
• Sold Mar 2018£102,000 | 3 Bed House52, Bryn Celyn, Cardiff, CF23 7EF52, Bryn Celyn, Cardiff, CF23 7EF
• Sold Nov 2015£116,000 | 3 Bed House20, Bryn Celyn, Cardiff, CF23 7EE20, Bryn Celyn, Cardiff, CF23 7EE
• Sold Apr 2014£108,000 | 4 Bed House53, Bryn Celyn, Cardiff, CF23 7EF53, Bryn Celyn, Cardiff, CF23 7EF

Heddfan North, Cardiff, CF23 has a total of 44 addresses. According to our analysis of all the public data, 40, Heddfan North, Cardiff is the 18th largest and the 18th most expensive property on the street.

When compared to the postcode district it is £193k less expensive than the average property in CF23.

• Heath High Level

  |

  2.6 km away
• Heath Low Level

  |

  2.6 km away
• Llanishen

  |

  2.7 km away

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