Our Data Sources
5, Alltwen, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 5, Alltwen, Cardiff would be worth £508,198, with a potential rental value of £1,936 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £450,118, with a rental value of £1,715 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5, Alltwen, Cardiff occupies a 316 m2 plot as recorded by HM Land Registry.
Of the 7 other houses in this postcode, 2 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
5, Alltwen, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Feb 2026.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 134 sales of comparable properties within 910 metres of 5, Alltwen, 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 Jul 2024£315,000 | 4 Bed House29, Caer Wenallt, Cardiff, CF14 7HN29, Caer Wenallt, Cardiff, CF14 7HN
- Sold Jul 2022£415,000 | 4 Bed House48, Caer Wenallt, Cardiff, CF14 7HN48, Caer Wenallt, Cardiff, CF14 7HN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 5, Alltwen, Cardiff as the 4th largest and the 4th most expensive of the 7 addresses on Alltwen, Pantmawr, Cardiff, CF14.
Against the CF14 postcode district average, it is £112k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Coryton|900 m away
- Whitchurch (Cardiff)|1.0 km away
- Rhiwbina|1.4 km away
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.












