Our Data Sources
133, Mortimer Avenue, Cardiff has a single entry in the Land Registry from December 2018 and a single entry in the EPC database dated December 2018.
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
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 133, Mortimer Avenue, Cardiff, we estimate a market value of £361,791 and a rental value of £1,612 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £320,443 and £1,427 per month respectively.
Plot Size
HM Land Registry records the plot of land for 133, Mortimer Avenue, Cardiff as measuring 272 m2.
That makes it the 4th largest plot in the postcode, where 52 of the 56 other houses have recorded plot data.
Energy Efficiency
133, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 05 Dec 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 133, Mortimer Avenue, Cardiff completed on 20th December 2018 at £278,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 3.6% over the period since December 2018.
- Sold Dec 2018£278,000
Similar Properties Sold Nearby
Over the past 2 years 494 properties similar to 133, Mortimer Avenue, Cardiff have sold within a radius of 740 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th April 2025, was 118, Mortimer Avenue, Cardiff, CF3 6YF, a freehold house which sold for £340,000.
Read more about house prices in CF3.
- Sold Apr 2025£340,000 | 3 Bed House118, Mortimer Avenue, Cardiff, CF3 6YF118, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Dec 2024£325,000 | 3 Bed House142, Mortimer Avenue, Cardiff, CF3 6YF142, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Nov 2024£306,000 | 3 Bed House176, Mortimer Avenue, Cardiff, CF3 6YF176, Mortimer Avenue, Cardiff, CF3 6YF
•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, 133, Mortimer Avenue, Cardiff comes out as the 63rd largest and the 19th most expensive in our analysis of the public data.
It is also £86k 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.












