Our Data Sources
33, Heol Nant Castan, Cardiff has a single entry in the Land Registry from March 2025 and a single entry in the EPC database dated October 2024.
We combine this information with that 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 33, Heol Nant Castan, Cardiff would be worth £370,080, with a potential rental value of £1,489 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £327,785, with a rental value of £1,319 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
33, Heol Nant Castan, Cardiff occupies a 337 m2 plot as recorded by HM Land Registry.
All 34 other houses in this postcode have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
33, Heol Nant Castan, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
33, Heol Nant Castan, Cardiff last changed hands on 19th March 2025, selling for £390,000. The transaction was logged as a leasehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 3.5% since March 2025.
- Sold Mar 2025£390,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 136 sales of comparable properties within 570 metres of 33, Heol Nant Castan, Cardiff across the last 2 years.
Most recently, 26, Heol Mabon, Cardiff, CF14 6RL, a freehold house, sold at £400,000 on the 12th December 2025.
Read more about house prices in CF14.
- Sold Dec 2025£400,000 | 3 Bed House26, Heol Mabon, Cardiff, CF14 6RL26, Heol Mabon, Cardiff, CF14 6RL
- Sold Nov 2025£385,000 | 3 Bed House40, Heol Isaf, Cardiff, CF14 6RJ40, Heol Isaf, Cardiff, CF14 6RJ
- Sold Jan 2025£386,000 | 3 Bed House23, Heol Nant Castan, Cardiff, CF14 6RP23, Heol Nant Castan, Cardiff, CF14 6RP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 33, Heol Nant Castan, Cardiff as the 43rd largest and the 60th most expensive of the 70 addresses on Heol Nant Castan, Cardiff, CF14.
Against the CF14 postcode district average, it is £20k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|900 m away
- Birchgrove|1.1 km away
- Whitchurch (Cardiff)|1.1 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.












