Our Data Sources
141, Mortimer Avenue, Cardiff has a single entry in the Land Registry from October 2018 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 141, Mortimer Avenue, Cardiff would be worth £247,676, with a potential rental value of £1,315 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £219,370, with a rental value of £1,165 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
141, Mortimer Avenue, Cardiff occupies a 164 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 20th largest.
Energy Efficiency
141, 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
141, Mortimer Avenue, Cardiff last changed hands on 26th October 2018, selling for £189,995. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 10.0% since October 2018.
- Sold Oct 2018£189,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 261 sales of comparable properties within 780 metres of 141, 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 Jan 2022£233,000 | 2 Bed House143, Mortimer Avenue, Cardiff, CF3 6YG143, 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 141, Mortimer Avenue, Cardiff as the 97th largest and the 98th most expensive of the 108 addresses on Mortimer Avenue, Old St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £22k 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.












