Our Data Sources
12, Heol Mabon, Cardiff has 2 entries in the Land Registry, most recently in February 2024 and a single entry in the EPC database dated March 2026.
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 12, Heol Mabon, Cardiff is in very good condition we estimate a sale value of £497,602 and a rental value of £1,884 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £440,734 and a rental value of £1,669 per month.
Plot Size
According to data from HM Land Registry, 12, Heol Mabon, Cardiff sits on a plot of 284 m2.
We have plot size data on 33 out of 34 other houses in the postcode and 12, Heol Mabon, Cardiff sits on the 25th largest plot.
Energy Efficiency
12, Heol Mabon, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Mar 2026.
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, 12, Heol Mabon, Cardiff was last sold on 16th February 2024 for £370,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since February 2024, the market for similar properties has risen by 5.2%.
- Sold Feb 2024£370,000
- Sold Aug 2014£220,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 166 sales of properties similar to 12, Heol Mabon, Cardiff within a radius of 550 metres since 2020.
The most recent example is 6, Heol Uchaf, Cardiff, CF14 6SP, a freehold house which sold for £450,000 on the 29th April 2026.
Read more about house prices in CF14.
- Sold Apr 2026£450,000 | 4 Bed House6, Heol Uchaf, Cardiff, CF14 6SP6, Heol Uchaf, Cardiff, CF14 6SP
- Sold Jan 2026£427,500 | 4 Bed House15, Llwyn Rhosyn, Cardiff, CF14 6NS15, Llwyn Rhosyn, Cardiff, CF14 6NS
- Sold Aug 2025£485,000 | 4 Bed House12, Heol Tyn Y Coed, Cardiff, CF14 6RA12, Heol Tyn Y Coed, Cardiff, CF14 6RA
- Sold Jul 2025£420,000 | 3 Bed House50, Heol Uchaf, Cardiff, CF14 6SQ50, Heol Uchaf, Cardiff, CF14 6SQ
- Sold Jun 2025£475,000 | 3 Bed House4, Lon Cae Porth, Cardiff, CF14 6QL4, Lon Cae Porth, Cardiff, CF14 6QL
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 £390,018, ranging from £332,844 to £447,293.
- 10 Heol Mabon
3 Bed House | 6 m | Est. Value: £388,788
- 14 Heol Mabon
3 Bed House | 11 m | Est. Value: £368,102
- 18 Heol Mabon
2 Bed House | 31 m | Est. Value: £346,886
- 4 Heol Mabon
3 Bed House | 37 m | Est. Value: £420,864
- 51 Heol Llanishen Fach
3 Bed House | 38 m | Est. Value: £405,139
Location Comparison
Heol Mabon, Cardiff, CF14 has a total of 34 addresses. According to our analysis of all the public data, 12, Heol Mabon, Cardiff is the 6th largest and the 5th most expensive property on the street.
When compared to the postcode district it is £102k 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.












