Our Data Sources
15, Northam Avenue, Cardiff has a single entry in the Land Registry from September 2021 and a single entry in the EPC database dated May 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 15, Northam Avenue, Cardiff is in very good condition we estimate a sale value of £271,303 and a rental value of £1,460 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £240,297 and a rental value of £1,293 per month.
Plot Size
According to data from HM Land Registry, 15, Northam Avenue, Cardiff sits on a plot of 258 m2.
We have plot size data on 19 out of 19 other houses in the postcode and 15, Northam Avenue, Cardiff sits on the 16th largest plot.
Energy Efficiency
15, Northam Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 May 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 15, Northam Avenue, Cardiff was last sold on 3rd September 2021 for £230,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2021, the market for similar properties has risen by 24.0%.
- Sold Sep 2021£230,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 15, Northam Avenue, Cardiff within a radius of 810 metres over the last 2 years.
The most recent example is 3, Exford Crescent, Cardiff, CF3 4JQ, a freehold house which sold for £285,000 on the 15th August 2025.
Read more about house prices in CF3.
- Sold Aug 2025£285,000 | 4 Bed House3, Exford Crescent, Cardiff, CF3 4JQ3, Exford Crescent, Cardiff, CF3 4JQ
- Sold Apr 2024£254,000 | 3 Bed House220, Ridgeway Road, Cardiff, CF3 4AG220, Ridgeway Road, Cardiff, CF3 4AG
- Sold Apr 2024£250,000 | 3 Bed House198, Ridgeway Road, Cardiff, CF3 4AG198, Ridgeway Road, Cardiff, CF3 4AG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Northam Avenue, Llanrumney, Cardiff, CF3 has a total of 19 addresses. According to our analysis of all the public data, 15, Northam Avenue, Cardiff is the 9th largest and the 9th most expensive property on the street.
When compared to the postcode district it is £2k more expensive than the average property in CF3.
More reading links
Schools Nearby
Public Transport Nearby
- 3.3kmHeath High Level
- 3.3kmHeath Low Level
- 3.7kmLlanishen
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












