Our Data Sources
30, Celyn Avenue, Cardiff has a single entry in the Land Registry from February 2024 and a single entry in the EPC database dated August 2023.
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.
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, Celyn Avenue, Cardiff, we estimate a market value of £423,518 and a rental value of £1,794 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £375,116 and £1,589 per month respectively.
Plot Size
HM Land Registry records the plot of land for 30, Celyn Avenue, Cardiff as measuring 385 m2.
That makes it the 5th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
30, Celyn Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Aug 2023.
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
The most recent sale of 30, Celyn Avenue, Cardiff completed on 23rd February 2024 at £375,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 13.9% over the period since February 2024.
- Sold Feb 2024£375,000
Similar Properties Sold Nearby
Since 2010 73 properties similar to 30, Celyn Avenue, Cardiff have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th March 2026, was 39, Claerwen Drive, Cardiff, CF23 6LS, a freehold house which sold for £318,000.
Read more about house prices in CF23.
- Sold Mar 2026£318,000 | 3 Bed House39, Claerwen Drive, Cardiff, CF23 6LS39, Claerwen Drive, Cardiff, CF23 6LS
- Sold Nov 2025£360,000 | 3 Bed House41, Torrens Drive, Cardiff, CF23 6DR41, Torrens Drive, Cardiff, CF23 6DR
- Sold Oct 2025£490,000 | 4 Bed House57, Celyn Avenue, Cardiff, CF23 6EJ57, Celyn Avenue, Cardiff, CF23 6EJ
- Sold Sep 2024£410,000 | 4 Bed House88, Woolaston Avenue, Cardiff, CF23 6HA88, Woolaston Avenue, Cardiff, CF23 6HA
- Sold Jul 2024£445,000 | 4 Bed House3, Llyn Close, Cardiff, CF23 6LG3, Llyn Close, Cardiff, CF23 6LG
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 £393,736, ranging from £334,963 to £477,363.
- 32 Celyn Avenue
4 Bed House | 6 m | Est. Value: £477,363
- 26 Celyn Avenue
4 Bed House | 17 m | Est. Value: £399,809
- 34 Celyn Avenue
3 Bed House | 20 m | Est. Value: £366,437
- 24 Celyn Avenue
3 Bed House | 31 m | Est. Value: £334,963
- 22 Celyn Avenue
3 Bed House | 37 m | Est. Value: £366,290
Location Comparison
Of the 148 addresses on Celyn Avenue, Cardiff, CF23, 30, Celyn Avenue, Cardiff comes out as the 24th largest and the 45th most expensive in our analysis of the public data.
It is also £40k more expensive than the average property across the CF23 district.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|600 m away
- Heath Low Level|600 m away
- Ty Glas|1.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





