Our Data Sources
21, Thornhill Road, Cardiff has 31 entries in the Land Registry, most recently in November 2022 and a single entry in the EPC database dated May 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Thornhill Road, Cardiff is in very good condition we estimate a sale value of £526,461 and a rental value of £1,854 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £466,294 and a rental value of £1,642 per month.
Plot Size
According to data from HM Land Registry, 21, Thornhill Road, Cardiff sits on a plot of 505 m2.
We have plot size data on 11 out of 13 other houses in the postcode and 21, Thornhill Road, Cardiff sits on the largest plot.
Energy Efficiency
21, Thornhill Road, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 May 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 21, Thornhill Road, Cardiff was last sold on 16th November 2022 for £575,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since November 2022, the market for similar properties has dropped by 15.6%.
- Sold Nov 2022£575,000
- Sold Jun 2008£227,500
- Sold May 2006£230,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 82 sales of properties similar to 21, Thornhill Road, Cardiff within a radius of 530 metres since 2012.
The most recent example is 12, Heol Tyn Y Coed, Cardiff, CF14 6RA, a freehold house which sold for £485,000 on the 28th August 2025.
Read more about house prices in CF14.
- Sold Aug 2025£485,000 | 4 Bed House12, Heol Tyn Y Coed, Cardiff, CF14 6RA12, Heol Tyn Y Coed, Cardiff, CF14 6RA
- Sold Dec 2024£475,000 | 4 Bed House49, Ty Glas Road, Cardiff, CF14 5EB49, Ty Glas Road, Cardiff, CF14 5EB
- Sold Apr 2024£426,000 | 4 Bed House19, Heol Tyn Y Coed, Cardiff, CF14 6RA19, Heol Tyn Y Coed, Cardiff, CF14 6RA
- Sold Feb 2023£430,000 | 4 Bed House22, Thornhill Road, Cardiff, CF14 6PF22, Thornhill Road, Cardiff, CF14 6PF
- Sold Sep 2022£490,000 | 4 Bed House21, Ty Glas Road, Cardiff, CF14 5EB21, Ty Glas Road, Cardiff, CF14 5EB
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 £461,820, ranging from £166,703 to £627,199.
- 19 Thornhill Road
4 Bed House | 5 m | Est. Value: £476,013
- 17 Thornhill Road
4 Bed House | 17 m | Est. Value: £507,561
- 2 Heol Iscoed
3 Bed House | 50 m | Est. Value: £480,516
- 6 Thornhill Road
4 Bed House | 50 m | Est. Value: £497,241
- 7A Thornhill Road
2 Bed Flat | 52 m | Est. Value: £166,703
Location Comparison
Thornhill Road, Cardiff, CF14 has a total of 91 addresses. According to our analysis of all the public data, 21, Thornhill Road, Cardiff is the 47th largest and the 37th most expensive property on the street.
When compared to the postcode district it is £126k more expensive than the average property in CF14.
More reading links
Schools Nearby
Public Transport Nearby
- Birchgrove|500 m away
- Ty Glas|700 m away
- Rhiwbina|900 m away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
