Our Data Sources
18, Lon Y Ffynnon, Cardiff has no records in the Land Registry and a single entry in the EPC database dated June 2025.
We combine this information with public data 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
In very good condition, we estimate 18, Lon Y Ffynnon, Cardiff would be worth £835,346, with a potential rental value of £2,679 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £739,878, with a rental value of £2,373 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
18, Lon Y Ffynnon, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 05 Jun 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 54 sales of comparable properties within 1.1 kilometres of 18, Lon Y Ffynnon, Cardiff since 2009.
Most recently, 85A, Mill Road, Cardiff, CF14 0UG, a freehold house, sold at £830,000 on the 23rd July 2025.
Read more about house prices in CF14.
- Sold Jul 2025£830,000 | 5 Bed House85A, Mill Road, Cardiff, CF14 0UG85A, Mill Road, Cardiff, CF14 0UG
- Sold Nov 2024£750,000 | 5 Bed House54, Llwyn Y Pia Road, Cardiff, CF14 0SZ54, Llwyn Y Pia Road, Cardiff, CF14 0SZ
- Sold Jun 2023£859,995 | 5 Bed House44, Tir Y Bar, Cardiff, CF14 0AN44, Tir Y Bar, Cardiff, CF14 0AN
- Sold Apr 2023£859,995 | 5 Bed House40, Tir Y Bar, Cardiff, CF14 0AN40, Tir Y Bar, Cardiff, CF14 0AN
- Sold Jan 2023£850,995 | 5 Bed House36, Tir Y Bar, Cardiff, CF14 0AN36, Tir Y Bar, Cardiff, CF14 0AN
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 £524,251, ranging from £336,080 to £966,100.
- 20 Lon Y Ffynnon
4 Bed House | 19 m | Est. Value: £545,747
- 21 Lon Y Ffynnon
4 Bed House | 30 m | Est. Value: £605,775
- 19 Lon Y Ffynnon
5 Bed House | 37 m | Est. Value: £631,749
- West Hill
5 Bed House | 39 m | Est. Value: £966,100
- 16 Lon Y Ffynnon
4 Bed House | 40 m | Est. Value: £554,646
Location Comparison
Our analysis of the public data ranks 18, Lon Y Ffynnon, Cardiff as the largest and the most expensive of the 25 addresses on Lon Y Ffynnon, Lisvane, Cardiff, CF14.
Against the CF14 postcode district average, it is £424k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|1.4 km away
- Lisvane & Thornhill|1.5 km away
- Heath High Level|2.9 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
