Our Data Sources
14, Llwyn Onn, Cardiff has 21 entries in the Land Registry , most recently in August 2018 and a single entry in the EPC database dated February 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.
Price Range & Condition
In very good condition, we estimate 14, Llwyn Onn, Cardiff would be worth £437,555, with a potential rental value of £1,994 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £387,549, with a rental value of £1,766 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
14, Llwyn Onn, Cardiff occupies a 425 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
14, Llwyn Onn, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Feb 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
14, Llwyn Onn, Cardiff last changed hands on 31st August 2018, selling for £390,000. 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 30.5% since August 2018.
- Sold Aug 2018£390,000
- Sold Jul 2000£74,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 111 sales of comparable properties within 940 metres of 14, Llwyn Onn, Cardiff across the last 2 years.
Most recently, 26, Tyla Teg, Cardiff, CF14 7TL, a freehold house, sold at £390,000 on the 15th December 2025.
Read more about house prices in CF14.
- Sold Dec 2025£390,000 | 4 Bed House26, Tyla Teg, Cardiff, CF14 7TL26, Tyla Teg, Cardiff, CF14 7TL
- Sold Jan 2023£477,500 | 4 Bed House2, Tyla Teg, Cardiff, CF14 7TL2, Tyla Teg, Cardiff, CF14 7TL
- Sold Aug 2020£370,000 | 4 Bed House99, Caer Wenallt, Cardiff, CF14 7TJ99, Caer Wenallt, Cardiff, CF14 7TJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 14, Llwyn Onn, Cardiff as the 4th largest and the 9th most expensive of the 16 addresses on Llwyn Onn, Pantmawr, Cardiff, CF14.
Against the CF14 postcode district average, it is £45k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Whitchurch (Cardiff)|1.1 km away
- Coryton|1.2 km away
- Rhiwbina|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 is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












