Our Data Sources
21, Heol Mabon, Cardiff has a single entry in the Land Registry from August 2013 and a single entry in the EPC database dated November 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Heol Mabon, Cardiff is in very good condition we estimate a sale value of £439,400 and a rental value of £1,747 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £389,183 and a rental value of £1,547 per month.
Plot Size
According to data from HM Land Registry, 21, Heol Mabon, Cardiff sits on a plot of 365 m2.
We have plot size data on 33 out of 34 other houses in the postcode and 21, Heol Mabon, Cardiff sits on the 10th largest plot.
Energy Efficiency
21, Heol Mabon, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 02 Nov 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 21, Heol Mabon, Cardiff was last sold on 29th August 2013 for £210,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since August 2013, the market for similar properties has risen by 54.3%.
- Sold Aug 2013£210,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 234 sales of properties similar to 21, Heol Mabon, Cardiff within a radius of 550 metres since 2014.
The most recent example is 13, Clos William, Cardiff, CF14 6QJ, a freehold house which sold for £418,000 on the 6th March 2026.
Read more about house prices in CF14.
- Sold Mar 2026£418,000 | 3 Bed House13, Clos William, Cardiff, CF14 6QJ13, Clos William, Cardiff, CF14 6QJ
- Sold Dec 2025£385,000 | 3 Bed House10, Heol Mabon, Cardiff, CF14 6RL10, Heol Mabon, Cardiff, CF14 6RL
- Sold Oct 2025£290,000 | 3 Bed House17, Clos Mabon, Cardiff, CF14 6RN17, Clos Mabon, Cardiff, CF14 6RN
- Sold Sep 2025£395,000 | 3 Bed House134, Heol Llanishen Fach, Cardiff, CF14 6RG134, Heol Llanishen Fach, Cardiff, CF14 6RG
- Sold Jul 2025£420,000 | 3 Bed House50, Heol Uchaf, Cardiff, CF14 6SQ50, Heol Uchaf, Cardiff, CF14 6SQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £411,631, ranging from £311,585 to £608,287.
- 23 Heol Mabon
3 Bed House | 8 m | Est. Value: £391,687
- 19 Heol Mabon
4 Bed House | 14 m | Est. Value: £441,366
- 25 Heol Mabon
4 Bed House | 23 m | Est. Value: £480,032
- 15 Heol Mabon
3 Bed House | 32 m | Est. Value: £386,165
- 34 Heol Mabon
2 Bed House | 40 m | Est. Value: £335,698
Location Comparison
Heol Mabon, Cardiff, CF14 has a total of 34 addresses. According to our analysis of all the public data, 21, Heol Mabon, Cardiff is the 12th largest and the 11th most expensive property on the street.
When compared to the postcode district it is £47k more expensive than the average property in CF14.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|1.0 km away
- Birchgrove|1.1 km away
- Whitchurch (Cardiff)|1.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
