HM Land Registry records the plot of land for 12, Heddfan South, Cardiff as measuring 152 m².

That makes it the 11th largest plot in the postcode, where 14 of the 26 other houses have recorded plot data.

12, Heddfan South, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2020.

The property is 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 12, Heddfan South, Cardiff completed on 17th April 2015 at £92,500 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 292.4% over the period since April 2015.

• Sold Apr 2015£92,500

Since 2014 14 properties similar to 12, Heddfan South, Cardiff have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 29th August 2025, was 62, Bryn Celyn, Cardiff, CF23 7EF, a freehold house which sold for £190,000.

Read more about house prices in CF23.

• 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 Oct 2023£180,000 | 3 Bed House24, Heddfan South, Cardiff, CF23 7EA24, Heddfan South, Cardiff, CF23 7EA
• Sold Jun 2023£180,000 | 3 Bed House62, Brynheulog, Cardiff, CF23 7JB62, Brynheulog, Cardiff, CF23 7JB
• Sold Mar 2022£152,000 | 4 Bed House56, Heddfan North, Cardiff, CF23 7EB56, Heddfan North, Cardiff, CF23 7EB
• Sold Feb 2021£130,000 | 3 Bed House96, Bryn Celyn, Cardiff, CF23 7EG96, Bryn Celyn, Cardiff, CF23 7EG
• Sold Jan 2021£135,000 | 3 Bed House77, Brynheulog, Cardiff, CF23 7JB77, Brynheulog, Cardiff, CF23 7JB
• 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 Mar 2018£102,000 | 3 Bed House52, Bryn Celyn, Cardiff, CF23 7EF52, Bryn Celyn, Cardiff, CF23 7EF
• Sold Apr 2016£112,500 | 3 Bed House124, Wern Goch East, Cardiff, CF23 7AE124, Wern Goch East, Cardiff, CF23 7AE
• Sold Oct 2014£121,000 | 3 Bed House78, Brynheulog, Cardiff, CF23 7JB78, Brynheulog, Cardiff, CF23 7JB

Of the 26 addresses on Heddfan South, Cardiff, CF23, 12, Heddfan South, Cardiff comes out as the largest and the most expensive in our analysis of the public data.

It is also £201k less expensive than the average property across the CF23 district.

• Heath High Level

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  2.5 km away
• Heath Low Level

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  2.6 km away
• Llanishen

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  2.7 km away

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