Our Data Sources
148, Mortimer Avenue, Cardiff has 2 entries in the Land Registry , most recently in September 2020 and a single entry in the EPC database dated August 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 148, Mortimer Avenue, Cardiff is in very good condition we estimate a sale value of £261,715 and a rental value of £1,308 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £231,805 and a rental value of £1,158 per month.
Plot Size
According to data from HM Land Registry, 148, Mortimer Avenue, Cardiff sits on a plot of 111 m2.
We have plot size data on 51 out of 52 other houses in the postcode and 148, Mortimer Avenue, Cardiff sits on the 51st largest plot.
Energy Efficiency
148, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 10 Aug 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
According to HM Land Registry, 148, Mortimer Avenue, Cardiff was last sold on 25th September 2020 for £193,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since September 2020, the market for similar properties has risen by 18.8%.
- Sold Sep 2020£193,000
- Sold Aug 2018£179,995
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 244 sales of properties similar to 148, Mortimer Avenue, Cardiff within a radius of 770 metres over the last 2 years.
The most recent example is 139, Mortimer Avenue, Cardiff, CF3 6YG, a freehold house which sold for £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 Feb 2025£240,000 | 2 Bed House106, Mortimer Avenue, Cardiff, CF3 6YF106, Mortimer Avenue, Cardiff, CF3 6YF
- Sold Jul 2024£220,000 | 2 Bed House121, Mortimer Avenue, Cardiff, CF3 6YG121, Mortimer Avenue, Cardiff, CF3 6YG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Mortimer Avenue, Old St. Mellons, Cardiff, CF3 has a total of 108 addresses. According to our analysis of all the public data, 148, Mortimer Avenue, Cardiff is the 93rd largest and the 93rd most expensive property on the street.
When compared to the postcode district it is £9k less expensive than the average property in CF3.
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
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
