Our Data Sources
12, Llys Dewi, Cardiff has 21 entries in the Land Registry , most recently in May 2012 and a single entry in the EPC database dated January 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 12, Llys Dewi, Cardiff would be worth £254,745, with a potential rental value of £1,679 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £225,631, with a rental value of £1,487 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Llys Dewi, Cardiff occupies a 104 m2 plot as recorded by HM Land Registry.
Of the 33 other houses in this postcode, 29 have recorded plot sizes, and this one ranks as the 25th largest.
Energy Efficiency
12, Llys Dewi, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
12, Llys Dewi, Cardiff last changed hands on 8th May 2012, selling for £155,000. 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 67.3% since May 2012.
- Sold May 2012£155,000
- Sold Feb 1998£57,250
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 2.0 kilometres of 12, Llys Dewi, Cardiff across the last 2 years.
Most recently, 19, Llys Tudful, Cardiff, CF15 9JZ, a freehold house, sold at £245,000 on the 27th August 2025.
Read more about house prices in CF15.
- Sold Aug 2025£245,000 | 3 Bed House19, Llys Tudful, Cardiff, CF15 9JZ19, Llys Tudful, Cardiff, CF15 9JZ
- Sold Jan 2025£235,000 | 3 Bed House16, Llys Dewi, Cardiff, CF15 9JY16, Llys Dewi, Cardiff, CF15 9JY
- Sold Oct 2022£275,000 | 3 Bed House20, Llys Tudful, Cardiff, CF15 9JZ20, Llys Tudful, Cardiff, CF15 9JZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 12, Llys Dewi, Cardiff as the 3rd largest and the 7th most expensive of the 33 addresses on Llys Dewi, Creigiau, Cardiff, CF15.
Against the CF15 postcode district average, it is £145k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 4.6kmPontyclun
- 4.9kmTaffs Well
- 5.4kmRadyr
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
