Our Data Sources
21, Crystal Glen, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated October 2014.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Crystal Glen, Cardiff, we estimate a market value of £412,814 and a rental value of £1,788 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £365,635 and £1,583 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Crystal Glen, Cardiff as measuring 310 m2.
That makes it the 16th largest plot in the postcode, where all 18 other houses have recorded plot data.
Energy Efficiency
21, Crystal Glen, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Oct 2014.
The property is not connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 21, Crystal Glen, Cardiff have sold within a radius of 620 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th March 2026, was 6, Heath Halt Road, Cardiff, CF23 5QF, a freehold house which sold for £400,000.
Read more about house prices in CF14.
- Sold Mar 2026£400,000 | 4 Bed House6, Heath Halt Road, Cardiff, CF23 5QF6, Heath Halt Road, Cardiff, CF23 5QF
- Sold Nov 2024£398,000 | 3 Bed House31, Crystal Avenue, Cardiff, CF23 5QL31, Crystal Avenue, Cardiff, CF23 5QL
- Sold Oct 2022£425,000 | 3 Bed House24, Cefn Carnau Road, Cardiff, CF14 4LZ24, Cefn Carnau Road, Cardiff, CF14 4LZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 49 addresses on Crystal Glen, Llanishen, Cardiff, CF14, 21, Crystal Glen, Cardiff comes out as the 35th largest and the 32nd most expensive in our analysis of the public data.
It is also £28k more expensive than the average property across the CF14 district.
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Schools Nearby
Public Transport Nearby
- 300mHeath High Level
- 300mHeath Low Level
- 900mTy Glas
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












