Our Data Sources
21, Main Avenue, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated January 2011.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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, Main Avenue, Cardiff, we estimate a market value of £548,668 and a rental value of £1,795 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £485,963 and £1,590 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Main Avenue, Cardiff as measuring 1,074 m2.
That makes it the 5th largest plot in the postcode, where 29 of the 31 other houses have recorded plot data.
Energy Efficiency
21, Main Avenue, Cardiff has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 20 Jan 2011.
The property is not connected to mains gas and has some double glazing. It is heated using a boiler and radiators (oil).
Sold Prices
The most recent sale of 21, Main Avenue, Cardiff completed on 7th January 2003 at £275,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Jan 2003£275,000
Similar Properties Sold Nearby
Since 2009 85 properties similar to 21, Main Avenue, Cardiff have sold within a radius of 3.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th November 2025, was Robgill, Cardiff, CF5 6LG, a freehold house which sold for £675,000.
Read more about house prices in CF5.
- Sold Nov 2025£675,000 | 4 Bed HouseRobgill, Cardiff, CF5 6LGRobgill, Cardiff, CF5 6LG
- Sold Dec 2024£515,000 | 4 Bed HouseVillage House, Cardiff, CF5 6LHVillage House, Cardiff, CF5 6LH
- Sold Sep 2023£485,000 | 4 Bed House28, Cottrell Gardens, Cardiff, CF5 6FU28, Cottrell Gardens, Cardiff, CF5 6FU
- Sold May 2023£545,000 | 4 Bed House6, Cae Newydd, Cardiff, CF5 6FF6, Cae Newydd, Cardiff, CF5 6FF
- Sold Jul 2022£540,000 | 4 Bed House73, Cae Newydd, Cardiff, CF5 6FJ73, Cae Newydd, Cardiff, CF5 6FJ
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 £791,218, ranging from £583,807 to £1,019,040.
- 1 Cory Crescent
4 Bed House | 42 m | Est. Value: £637,685
- 4 Cory Crescent
4 Bed House | 57 m | Est. Value: £588,118
- 22 Main Avenue
5 Bed House | 62 m | Est. Value: £949,048
- 13 Main Avenue
4 Bed House | 63 m | Est. Value: £770,186
- Brook House
5 Bed House | 65 m | Est. Value: £1,019,040
Location Comparison
Of the 31 addresses on Main Avenue, Peterston-Super-Ely, Cardiff, CF5, 21, Main Avenue, Cardiff comes out as the 25th largest and the 31st most expensive in our analysis of the public data.
It is also £225k more expensive than the average property across the CF5 district.
More reading links
Schools Nearby
Public Transport Nearby
- Fairwater|6.4 km away
- Waun-Gron Park|6.5 km away
- Danescourt|6.7 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.
