Our Data Sources
23, Lon Isa, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated September 2016.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 23, Lon Isa, Cardiff, we estimate a market value of £464,208 and a rental value of £1,832 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £411,156 and £1,623 per month respectively.
Plot Size
HM Land Registry records the plot of land for 23, Lon Isa, Cardiff as measuring 261 m2.
That makes it the 4th largest plot in the postcode, where all 22 other houses have recorded plot data.
Energy Efficiency
23, Lon Isa, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Sep 2016.
The property is connected to mains gas and has full secondary glazing. It is heated using a boiler and radiators (mains gas, electric underfloor heating).
Sold Prices
The most recent sale of 23, Lon Isa, Cardiff completed on 14th January 2004 at £228,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
- Sold Jan 2004£228,000
- Sold May 1998£97,000
Similar Properties Sold Nearby
Since 2013 145 properties similar to 23, Lon Isa, Cardiff have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th February 2026, was 3, The Graylands, Cardiff, CF14 6AS, a freehold house which sold for £443,000.
Read more about house prices in CF14.
- Sold Feb 2026£443,000 | 4 Bed House3, The Graylands, Cardiff, CF14 6AS3, The Graylands, Cardiff, CF14 6AS
- Sold Jul 2025£445,000 | 3 Bed House35, Heol Y Deri, Cardiff, CF14 6HB35, Heol Y Deri, Cardiff, CF14 6HB
- Sold Mar 2025£362,500 | 3 Bed House43, Heol Y Deri, Cardiff, CF14 6HD43, Heol Y Deri, Cardiff, CF14 6HD
- Sold Dec 2024£395,000 | 3 Bed House65, Heol Y Deri, Cardiff, CF14 6HD65, Heol Y Deri, Cardiff, CF14 6HD
- Sold Nov 2024£485,000 | 3 Bed House22, Heol Tyn Y Cae, Cardiff, CF14 6DJ22, Heol Tyn Y Cae, Cardiff, CF14 6DJ
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 £498,319, ranging from £418,608 to £787,881.
- 21 Lon Isa
3 Bed House | 10 m | Est. Value: £420,408
- 25 Lon Isa
4 Bed House | 15 m | Est. Value: £543,132
- 17 Lon Isa
3 Bed House | 28 m | Est. Value: £420,408
- 28 Lon-Y-Dail
4 Bed House | 31 m | Est. Value: £490,452
- 30 Lon-Y-Dail
4 Bed House | 36 m | Est. Value: £475,024
Location Comparison
Of the 54 addresses on Lon Isa, Cardiff, CF14, 23, Lon Isa, Cardiff comes out as the 17th largest and the 33rd most expensive in our analysis of the public data.
It is also £70k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|300 m away
- Whitchurch (Cardiff)|600 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.












