Our Data Sources
20, Heddfan South, Cardiff has no records in the Land Registry and a single entry in the EPC database dated December 2019.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 20, Heddfan South, Cardiff, we estimate a market value of £153,140 and a rental value of £828 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £135,638 and £733 per month respectively.
Energy Efficiency
20, Heddfan South, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Dec 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2010 11 properties similar to 20, Heddfan South, Cardiff have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th May 2025, was 18, Heddfan South, Cardiff, CF23 7EA, a freehold house which sold for £165,000.
Read more about house prices in CF23.
- Sold May 2025£165,000 | 3 Bed House18, Heddfan South, Cardiff, CF23 7EA18, Heddfan South, Cardiff, CF23 7EA
- Sold Oct 2023£180,000 | 3 Bed House24, Heddfan South, Cardiff, CF23 7EA24, Heddfan South, Cardiff, CF23 7EA
- 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 Jun 2019£120,000 | 3 Bed House58, Heddfan North, Cardiff, CF23 7EB58, Heddfan North, Cardiff, CF23 7EB
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £154,158, ranging from £132,739 to £178,481.
- 21 Heddfan South
4 Bed House | 4 m | Est. Value: £158,018
- 19 Heddfan South
3 Bed House | 5 m | Est. Value: £150,660
- 18 Heddfan South
3 Bed House | 8 m | Est. Value: £151,447
- 23 Heddfan South
3 Bed House | 12 m | Est. Value: £153,008
- 17 Heddfan South
3 Bed House | 13 m | Est. Value: £145,030
Location Comparison
Of the 26 addresses on Heddfan South, Cardiff, CF23, 20, Heddfan South, Cardiff comes out as the 14th largest and the 14th most expensive in our analysis of the public data.
It is also £216k less expensive than the average property across the CF23 district.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|2.5 km away
- Heath Low Level|2.6 km away
- Llanishen|2.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












