Our Data Sources
21, Gabalfa Avenue, Cardiff has 31 entries in the Land Registry, most recently in November 2013 and a single entry in the EPC database dated January 2009.
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.
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, Gabalfa Avenue, Cardiff, we estimate a market value of £281,554 and a rental value of £1,484 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £249,377 and £1,315 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Gabalfa Avenue, Cardiff as measuring 242 m2.
That makes it the 15th largest plot in the postcode, where 15 of the 18 other houses have recorded plot data.
Energy Efficiency
21, Gabalfa Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jan 2009.
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 21, Gabalfa Avenue, Cardiff completed on 15th November 2013 at £125,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 134.9% over the period since November 2013.
- Sold Nov 2013£125,000
- Sold Sep 2002£93,950
- Sold Jun 1997£46,000
Similar Properties Sold Nearby
Since 2018 250 properties similar to 21, Gabalfa Avenue, Cardiff have sold within a radius of 700 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th May 2026, was 61, Western Drive, Cardiff, CF14 2SF, a freehold house which sold for £330,000.
Read more about house prices in CF14.
- Sold May 2026£330,000 | 3 Bed House61, Western Drive, Cardiff, CF14 2SF61, Western Drive, Cardiff, CF14 2SF
- Sold Apr 2026£300,000 | 3 Bed House8, Aberporth Road, Cardiff, CF14 2RW8, Aberporth Road, Cardiff, CF14 2RW
- Sold Dec 2025£245,000 | 3 Bed House21, Waterston Road, Cardiff, CF14 2SS21, Waterston Road, Cardiff, CF14 2SS
- Sold Aug 2025£270,000 | 3 Bed House36, Aberbran Road, Cardiff, CF14 2SP36, Aberbran Road, Cardiff, CF14 2SP
- Sold Jul 2025£301,000 | 3 Bed House73, Western Drive, Cardiff, CF14 2SF73, Western Drive, Cardiff, CF14 2SF
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 £263,771, ranging from £242,390 to £280,092.
- 23 Gabalfa Avenue
3 Bed House | 9 m | Est. Value: £275,245
- 19 Gabalfa Avenue
3 Bed House | 12 m | Est. Value: £259,109
- 25 Gabalfa Avenue
3 Bed House | 17 m | Est. Value: £280,092
- 27 Gabalfa Avenue
3 Bed House | 26 m | Est. Value: £257,572
- 15 Gabalfa Avenue
3 Bed House | 28 m | Est. Value: £269,226
Location Comparison
Of the 208 addresses on Gabalfa Avenue, Cardiff, CF14, 21, Gabalfa Avenue, Cardiff comes out as the 78th largest and the 97th most expensive in our analysis of the public data.
It is also £107k less expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llandaf|1.6 km away
- Danescourt|1.7 km away
- Fairwater|1.8 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.





