Our Data Sources
21, Lon-Y-Deri, Cardiff has no records in the Land Registry and a single entry in the EPC database dated June 2011.
We combine this information with public data 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
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, Lon-Y-Deri, Cardiff, we estimate a market value of £543,462 and a rental value of £1,765 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £481,352 and £1,563 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Lon-Y-Deri, Cardiff as measuring 269 m2.
That makes it the 19th largest plot in the postcode, where 26 of the 29 other houses have recorded plot data.
Energy Efficiency
21, Lon-Y-Deri, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Jun 2011.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2014 123 properties similar to 21, Lon-Y-Deri, Cardiff have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2026, was 19, Heol Y Bont, Cardiff, CF14 6AJ, a freehold house which sold for £420,000.
Read more about house prices in CF14.
- Sold May 2026£420,000 | 4 Bed House19, Heol Y Bont, Cardiff, CF14 6AJ19, Heol Y Bont, Cardiff, CF14 6AJ
- Sold Feb 2026£443,000 | 4 Bed House3, The Graylands, Cardiff, CF14 6AS3, The Graylands, Cardiff, CF14 6AS
- Sold Sep 2025£503,262 | 4 Bed House33, Heol Tyn Y Cae, Cardiff, CF14 6DJ33, Heol Tyn Y Cae, Cardiff, CF14 6DJ
- Sold Apr 2025£515,000 | 4 Bed House35, Lon Isa, Cardiff, CF14 6EE35, Lon Isa, Cardiff, CF14 6EE
- Sold Dec 2024£478,000 | 3 Bed House11, Glan Rhyd, Cardiff, CF14 6JL11, Glan Rhyd, Cardiff, CF14 6JL
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 £416,572, ranging from £321,535 to £478,891.
- 19 Lon-Y-Deri
3 Bed House | 9 m | Est. Value: £478,891
- 17 Lon-Y-Deri
3 Bed House | 18 m | Est. Value: £450,423
- 20 Lon-Y-Dderwen
3 Bed House | 33 m | Est. Value: £321,535
- 13 Lon-Y-Deri
3 Bed House | 33 m | Est. Value: £455,716
- 18 Lon-Y-Dderwen
3 Bed House | 34 m | Est. Value: £362,974
Location Comparison
Of the 61 addresses on Lon-Y-Deri, Cardiff, CF14, 21, Lon-Y-Deri, Cardiff comes out as the 21st largest and the 15th most expensive in our analysis of the public data.
It is also £142k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|500 m away
- Whitchurch (Cardiff)|800 m away
- Birchgrove|800 m 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.
