Our Data Sources
21, Heol Yr Efail, Cardiff has 2 entries in the Land Registry, most recently in August 2022 and a single entry in the EPC database dated June 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 21, Heol Yr Efail, Cardiff would be worth £436,717, with a potential rental value of £1,810 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £386,807, with a rental value of £1,603 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Heol Yr Efail, Cardiff occupies a 217 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
21, Heol Yr Efail, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jun 2015.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Heol Yr Efail, Cardiff last changed hands on 18th August 2022, selling for £425,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 3.6% since August 2022.
- Sold Aug 2022£425,000
- Sold Feb 2016£245,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 163 sales of comparable properties within 490 metres of 21, Heol Yr Efail, Cardiff since 2017.
Most recently, 16, Lansdowne Avenue, Cardiff, CF14 6AT, a freehold house, sold at £405,000 on the 15th January 2026.
Read more about house prices in CF14.
- Sold Jan 2026£405,000 | 3 Bed House16, Lansdowne Avenue, Cardiff, CF14 6AT16, Lansdowne Avenue, Cardiff, CF14 6AT
- Sold Nov 2025£383,500 | 3 Bed House18, Ty Wern Avenue, Cardiff, CF14 6AW18, Ty Wern Avenue, Cardiff, CF14 6AW
- Sold Sep 2025£372,500 | 3 Bed House41, Coed Glas Road, Cardiff, CF14 5EJ41, Coed Glas Road, Cardiff, CF14 5EJ
- Sold Sep 2025£490,000 | 3 Bed House16, Heol Iscoed, Cardiff, CF14 6PA16, Heol Iscoed, Cardiff, CF14 6PA
- Sold Jul 2025£415,000 | 3 Bed House8, Lansdowne Avenue, Cardiff, CF14 6AT8, Lansdowne Avenue, Cardiff, CF14 6AT
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 £412,566, ranging from £349,657 to £526,185.
- 23 Heol Yr Efail
3 Bed House | 6 m | Est. Value: £391,358
- 17 Heol Yr Efail
3 Bed House | 16 m | Est. Value: £398,200
- 14 Pen-Y-Groes Road
5 Bed House | 20 m | Est. Value: £526,185
- 15 Heol Yr Efail
3 Bed House | 25 m | Est. Value: £391,358
- 5 Heol Yr Efail
4 Bed House | 31 m | Est. Value: £455,382
Location Comparison
Our analysis of the public data ranks 21, Heol Yr Efail, Cardiff as the 25th largest and the 21st most expensive of the 42 addresses on Heol Yr Efail, Cardiff, CF14.
Against the CF14 postcode district average, it is £44k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Birchgrove|200 m away
- Ty Glas|500 m away
- Rhiwbina|800 m away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
