Our Data Sources
117, Mortimer Avenue, Cardiff has 3 entries in the Land Registry , most recently in September 2025 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
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 117, Mortimer Avenue, Cardiff, we estimate a market value of £271,041 and a rental value of £1,426 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £240,065 and £1,263 per month respectively.
Plot Size
HM Land Registry records the plot of land for 117, Mortimer Avenue, Cardiff as measuring 131 m2.
That makes it the 34th largest plot in the postcode, where 52 of the 56 other houses have recorded plot data.
Energy Efficiency
117, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 22 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
The most recent sale of 117, Mortimer Avenue, Cardiff completed on 26th September 2025 at £287,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 21.1% over the period since September 2025.
- Sold Sep 2025£287,500
- Sold Mar 2021£232,000
- Sold Oct 2018£214,995
Similar Properties Sold Nearby
Over the past 2 years 224 properties similar to 117, Mortimer Avenue, Cardiff have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th August 2025, was 166, Mortimer Avenue, Cardiff, CF3 6YF, a freehold house which sold for £289,950.
Read more about house prices in CF3.
- Sold Aug 2025£289,950 | 3 Bed House166, Mortimer Avenue, Cardiff, CF3 6YF166, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Jun 2024£270,000 | 3 Bed House158, Mortimer Avenue, Cardiff, CF3 6YF158, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Sep 2021£255,000 | 3 Bed House109, Mortimer Avenue, Cardiff, CF3 6YG109, Mortimer Avenue, Cardiff, CF3 6YG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 108 addresses on Mortimer Avenue, Old St. Mellons, Cardiff, CF3, 117, Mortimer Avenue, Cardiff comes out as the 88th largest and the 89th most expensive in our analysis of the public data.
It is also £41 more expensive than the average property across the CF3 district.
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
The flood risk here is rated Very Low, based on Environment Agency data.












