Our Data Sources
20, Crystal Avenue, Cardiff has 3 entries in the Land Registry, most recently in May 2021 and a single entry in the EPC database dated October 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
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 20, Crystal Avenue, Cardiff is in very good condition we estimate a sale value of £514,713 and a rental value of £1,783 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £455,888 and a rental value of £1,579 per month.
Plot Size
According to data from HM Land Registry, 20, Crystal Avenue, Cardiff sits on a plot of 256 m2.
We have plot size data on 23 out of 23 other houses in the postcode and 20, Crystal Avenue, Cardiff sits on the 17th largest plot.
Energy Efficiency
20, Crystal Avenue, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 26 Oct 2020.
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, 20, Crystal Avenue, Cardiff was last sold on 14th May 2021 for £390,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since May 2021, the market for similar properties has risen by 16.9%.
- Sold May 2021£390,000
- Sold Nov 2018£342,000
- Sold Mar 2011£245,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 180 sales of properties similar to 20, Crystal Avenue, Cardiff within a radius of 670 metres since 2014.
The most recent example is 254, Heathwood Road, Cardiff, CF14 4BS, a freehold house which sold for £470,000 on the 26th September 2025.
Read more about house prices in CF23.
- Sold Sep 2025£470,000 | 4 Bed House254, Heathwood Road, Cardiff, CF14 4BS254, Heathwood Road, Cardiff, CF14 4BS
- Sold Sep 2025£452,500 | 4 Bed House258, Heathwood Road, Cardiff, CF14 4BS258, Heathwood Road, Cardiff, CF14 4BS
- Sold Mar 2025£480,000 | 4 Bed House10, St. Denis Road, Cardiff, CF14 4NA10, St. Denis Road, Cardiff, CF14 4NA
- Sold Feb 2025£490,000 | 4 Bed House12, Cefn Carnau Road, Cardiff, CF14 4LZ12, Cefn Carnau Road, Cardiff, CF14 4LZ
- Sold Jan 2025£485,000 | 4 Bed House40, Heath Park Avenue, Cardiff, CF14 3RH40, Heath Park Avenue, Cardiff, CF14 3RH
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 £407,875, ranging from £354,926 to £486,405.
- 26 Crystal Avenue
4 Bed House | 23 m | Est. Value: £354,926
- 31 Crystal Avenue
3 Bed House | 31 m | Est. Value: £399,939
- 33 Crystal Avenue
3 Bed House | 31 m | Est. Value: £404,301
- 14 Crystal Avenue
3 Bed House | 31 m | Est. Value: £405,737
- 35 Crystal Avenue
4 Bed House | 32 m | Est. Value: £486,405
Location Comparison
Crystal Avenue, Cardiff, CF23 has a total of 45 addresses. According to our analysis of all the public data, 20, Crystal Avenue, Cardiff is the 9th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £126k more expensive than the average property in CF23.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|100 m away
- Heath Low Level|200 m away
- Ty Glas|1.1 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.












