Our Data Sources
12, Heol Dolwen, Cardiff has 21 entries in the Land Registry, most recently in March 2020 and a single entry in the EPC database dated September 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 12, Heol Dolwen, Cardiff would be worth £386,849, with a potential rental value of £1,760 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £342,638, with a rental value of £1,559 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Heol Dolwen, Cardiff occupies a 586 m2 plot as recorded by HM Land Registry.
Of the 36 other houses in this postcode, 34 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
12, Heol Dolwen, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 04 Sep 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
12, Heol Dolwen, Cardiff last changed hands on 6th March 2020, selling for £332,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 39.0% since March 2020.
- Sold Mar 2020£332,500
- Sold Mar 2003£199,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 197 sales of comparable properties within 520 metres of 12, Heol Dolwen, Cardiff since 2020.
Most recently, 16, Heol Wernlas, Cardiff, CF14 1RY, a freehold house, sold at £420,000 on the 23rd January 2026.
Read more about house prices in CF14.
- Sold Jan 2026£420,000 | 3 Bed House16, Heol Wernlas, Cardiff, CF14 1RY16, Heol Wernlas, Cardiff, CF14 1RY
- Sold Nov 2025£720,000 | 3 Bed House21, Caegwyn Road, Cardiff, CF14 1QN21, Caegwyn Road, Cardiff, CF14 1QN
- Sold Oct 2025£467,500 | 3 Bed House41, Court Road, Cardiff, CF14 1HN41, Court Road, Cardiff, CF14 1HN
- Sold Mar 2025£370,000 | 3 Bed House6, Llancaiach Road, Cardiff, CF14 1PX6, Llancaiach Road, Cardiff, CF14 1PX
- Sold Feb 2025£361,000 | 3 Bed House35, Heol Dolwen, Cardiff, CF14 1RX35, Heol Dolwen, Cardiff, CF14 1RX
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 £400,451, ranging from £286,393 to £498,278.
- 14 Heol Dolwen
4 Bed House | 8 m | Est. Value: £469,401
- 10 Heol Dolwen
3 Bed House | 13 m | Est. Value: £388,846
- 8 Heol Dolwen
4 Bed House | 26 m | Est. Value: £377,231
- 18 Heol Dolwen
3 Bed House | 34 m | Est. Value: £390,348
- 1 Heol Wernlas
2 Bed House | 37 m | Est. Value: £299,733
Location Comparison
Our analysis of the public data ranks 12, Heol Dolwen, Cardiff as the 22nd largest and the 27th most expensive of the 36 addresses on Heol Dolwen, Cardiff, CF14.
Against the CF14 postcode district average, it is £4k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Birchgrove|1.3 km away
- Rhiwbina|1.3 km away
- Ty Glas|1.4 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












