Our Data Sources
178, Mortimer Avenue, Cardiff has a single entry in the Land Registry from October 2019 and a single entry in the EPC database dated September 2019.
We combine this information with that 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.
Price Range & Condition
In very good condition, we estimate 178, Mortimer Avenue, Cardiff would be worth £294,480, with a potential rental value of £1,468 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £260,826, with a rental value of £1,301 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
178, Mortimer Avenue, Cardiff occupies a 153 m2 plot as recorded by HM Land Registry.
Of the 52 other houses in this postcode, 51 have recorded plot sizes, and this one ranks as the 32nd largest.
Energy Efficiency
178, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 25 Sep 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
178, Mortimer Avenue, Cardiff last changed hands on 25th October 2019, selling for £219,995. 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 dropped by 1.1% since October 2019.
- Sold Oct 2019£219,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 820 metres of 178, Mortimer Avenue, Cardiff across the last 2 years.
Most recently, 186, Mortimer Avenue, Cardiff, CF3 6YF, a freehold house, sold at £290,000 on the 21st November 2025.
Read more about house prices in CF3.
- Sold Nov 2025£290,000 | 3 Bed House186, Mortimer Avenue, Cardiff, CF3 6YF186, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Aug 2025£260,000 | 3 Bed House14, Potter Street, Cardiff, CF3 6AR14, Potter Street, Cardiff, CF3 6AR
- Sold Aug 2025£289,950 | 3 Bed House166, Mortimer Avenue, Cardiff, CF3 6YF166, Mortimer Avenue, Cardiff, CF3 6YF
•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 178, Mortimer Avenue, Cardiff as the 72nd largest and the 71st most expensive of the 108 addresses on Mortimer Avenue, Old St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £24k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 4.0kmLlanishen
- 4.3kmLisvane & Thornhill
- 4.5kmHeath High Level
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
