Our Data Sources
21, Tair Erw Gain, Cardiff has a single entry in the Land Registry from September 2022 and a single entry in the EPC database dated August 2022.
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 21, Tair Erw Gain, Cardiff would be worth £736,504, with a potential rental value of £3,463 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £652,332, with a rental value of £3,067 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Tair Erw Gain, Cardiff occupies a 174 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
21, Tair Erw Gain, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 01 Aug 2022.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Tair Erw Gain, Cardiff last changed hands on 1st September 2022, selling for £735,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 42.9% since September 2022.
- Sold Sep 2022£735,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 48 sales of comparable properties within 360 metres of 21, Tair Erw Gain, Cardiff since 2012.
Most recently, 3, The Crescent, Cardiff, CF11 9QL, a freehold house, sold at £847,500 on the 21st November 2025.
Read more about house prices in CF11.
- Sold Nov 2025£847,500 | 5 Bed House3, The Crescent, Cardiff, CF11 9QL3, The Crescent, Cardiff, CF11 9QL
- Sold Apr 2025£600,000 | 5 Bed House33, Severn Grove, Cardiff, CF11 9EN33, Severn Grove, Cardiff, CF11 9EN
- Sold Mar 2025£660,000 | 5 Bed House3, Conway Road, Cardiff, CF11 9NT3, Conway Road, Cardiff, CF11 9NT
- Sold Jul 2023£798,000 | 5 Bed House16, Tair Erw Gain, Cardiff, CF11 9FT16, Tair Erw Gain, Cardiff, CF11 9FT
- Sold Dec 2022£775,000 | 5 Bed House1, Conway Road, Cardiff, CF11 9NT1, Conway Road, Cardiff, CF11 9NT
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 £577,049, ranging from £280,662 to £701,432.
- 20 Tair Erw Gain
5 Bed House | 8 m | Est. Value: £701,432
- 22 Tair Erw Gain
4 Bed House | 10 m | Est. Value: £611,238
- 19 Tair Erw Gain
5 Bed House | 15 m | Est. Value: £692,877
- 23 Tair Erw Gain
4 Bed House | 16 m | Est. Value: £604,282
- 18 Tair Erw Gain
5 Bed House | 20 m | Est. Value: £692,877
Location Comparison
Our analysis of the public data ranks 21, Tair Erw Gain, Cardiff as the 3rd largest and the 3rd most expensive of the 34 addresses on Tair Erw Gain, Cardiff, CF11.
Against the CF11 postcode district average, it is £447k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Ninian Park|900 m away
- Cathays|1.7 km away
- Cardiff Central|1.8 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












