Our Data Sources
143, Mortimer Avenue, Cardiff has 2 entries in the Land Registry , most recently in January 2022 and a single entry in the EPC database dated October 2018.
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.
Price Range & Condition
In very good condition, we estimate 143, Mortimer Avenue, Cardiff would be worth £242,859, with a potential rental value of £1,289 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £215,104, with a rental value of £1,142 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
143, Mortimer Avenue, Cardiff occupies a 153 m2 plot as recorded by HM Land Registry.
Of the 56 other houses in this postcode, 52 have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
143, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Oct 2018.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
143, Mortimer Avenue, Cardiff last changed hands on 27th January 2022, selling for £233,000. 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 9.8% since January 2022.
- Sold Jan 2022£233,000
- Sold Nov 2018£189,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 251 sales of comparable properties within 780 metres of 143, Mortimer Avenue, Cardiff across the last 2 years.
Most recently, 139, Mortimer Avenue, Cardiff, CF3 6YG, a freehold house, sold at £255,000 on the 16th January 2026.
Read more about house prices in CF3.
- Sold Jan 2026£255,000 | 2 Bed House139, Mortimer Avenue, Cardiff, CF3 6YG139, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Jul 2024£220,000 | 2 Bed House121, Mortimer Avenue, Cardiff, CF3 6YG121, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Jul 2022£227,500 | 2 Bed House115, Mortimer Avenue, Cardiff, CF3 6YG115, Mortimer Avenue, Cardiff, CF3 6YG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 143, Mortimer Avenue, Cardiff as the 96th largest and the 103rd most expensive of the 108 addresses on Mortimer Avenue, Old St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £27k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|4.0 km away
- Lisvane & Thornhill|4.3 km away
- Heath High Level|4.5 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
