Our Data Sources
21, Lon Owain, Cardiff has 21 entries in the Land Registry, most recently in February 2015 and a single entry in the EPC database dated January 2015.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Lon Owain, Cardiff would be worth £218,354, with a potential rental value of £1,467 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £193,399, with a rental value of £1,300 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Lon Owain, Cardiff occupies a 337 m2 plot as recorded by HM Land Registry.
Of the 26 other houses in this postcode, 18 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
21, Lon Owain, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2015.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Lon Owain, Cardiff last changed hands on 27th February 2015, selling for £126,000. 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 121.3% since February 2015.
- Sold Feb 2015£126,000
- Sold Jan 2005£95,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 165 sales of comparable properties within 590 metres of 21, Lon Owain, Cardiff since 2020.
Most recently, 14, Woodlands Park Drive, Cardiff, CF5 5RB, a leasehold house, sold at £220,000 on the 9th December 2025.
Read more about house prices in CF5.
- Sold Dec 2025£220,000 | 3 Bed House14, Woodlands Park Drive, Cardiff, CF5 5RB14, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Nov 2025£205,000 | 3 Bed House85, Heol Poyston, Cardiff, CF5 5LZ85, Heol Poyston, Cardiff, CF5 5LZ
- Sold Oct 2025£200,000 | 3 Bed House33, Sweldon Close, Cardiff, CF5 5RD33, Sweldon Close, Cardiff, CF5 5RD
- Sold Oct 2025£227,000 | 3 Bed House5, Woodlands Park Drive, Cardiff, CF5 5RB5, Woodlands Park Drive, Cardiff, CF5 5RB
- Sold Aug 2025£257,000 | 3 Bed House12, Cyntwell Crescent, Cardiff, CF5 5QG12, Cyntwell Crescent, Cardiff, CF5 5QG
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 £221,310, ranging from £160,713 to £335,824.
- 23 Lon Owain
4 Bed House | 6 m | Est. Value: £235,892
- 19 Lon Owain
3 Bed House | 14 m | Est. Value: £207,118
- 28 Lon Owain
3 Bed House | 16 m | Est. Value: £205,902
- 17 Lon Owain
3 Bed House | 18 m | Est. Value: £207,118
- 26 Lon Owain
3 Bed House | 20 m | Est. Value: £207,118
Location Comparison
Our analysis of the public data ranks 21, Lon Owain, Cardiff as the 7th largest and the 16th most expensive of the 26 addresses on Lon Owain, Cardiff, CF5.
Against the CF5 postcode district average, it is £86k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.9 km away
- Fairwater|3.2 km away
- Danescourt|3.8 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












