Our Data Sources
30, Crystal Avenue, Cardiff has no records in the Land Registry and a single entry in the EPC database dated September 2024.
We combine this information with public data 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
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 30, Crystal Avenue, Cardiff, we estimate a market value of £404,785 and a rental value of £1,659 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £358,524 and £1,469 per month respectively.
Plot Size
HM Land Registry records the plot of land for 30, Crystal Avenue, Cardiff as measuring 273 m2.
That makes it the 13th largest plot in the postcode, where all 23 other houses have recorded plot data.
Energy Efficiency
30, Crystal Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Sep 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas, boiler and underfloor heating, mains gas).
Similar Properties Sold Nearby
Since 2012 97 properties similar to 30, Crystal Avenue, Cardiff have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th July 2025, was 32, Crystal Avenue, Cardiff, CF23 5QL, a freehold house which sold for £400,000.
Read more about house prices in CF23.
- Sold Jul 2025£400,000 | 3 Bed House32, Crystal Avenue, Cardiff, CF23 5QL32, Crystal Avenue, Cardiff, CF23 5QL
- Sold May 2025£400,000 | 3 Bed House88, Heath Park Avenue, Cardiff, CF14 3RJ88, Heath Park Avenue, Cardiff, CF14 3RJ
- Sold Nov 2024£398,000 | 3 Bed House31, Crystal Avenue, Cardiff, CF23 5QL31, Crystal Avenue, Cardiff, CF23 5QL
- Sold Oct 2024£392,700 | 3 Bed House14, Crystal Avenue, Cardiff, CF23 5QJ14, Crystal Avenue, Cardiff, CF23 5QJ
- Sold May 2024£370,000 | 3 Bed House31, Three Arches Avenue, Cardiff, CF14 0NU31, Three Arches Avenue, Cardiff, CF14 0NU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £443,496, ranging from £354,467 to £529,896.
- 32 Crystal Avenue
3 Bed House | 10 m | Est. Value: £403,317
- 26 Crystal Avenue
4 Bed House | 15 m | Est. Value: £354,467
- 34 Crystal Avenue
4 Bed House | 16 m | Est. Value: £529,896
- 39 Crystal Avenue
3 Bed House | 32 m | Est. Value: £411,953
- 38 Crystal Avenue
4 Bed House | 32 m | Est. Value: £460,313
Location Comparison
Of the 45 addresses on Crystal Avenue, Cardiff, CF23, 30, Crystal Avenue, Cardiff comes out as the 43rd largest and the 37th most expensive in our analysis of the public data.
It is also £23k more expensive than the average property across the CF23 district.
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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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












