Our Data Sources
173, Mortimer Avenue, Cardiff has a single entry in the Land Registry from July 2020 and a single entry in the EPC database dated May 2020.
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
In very good condition, we estimate 173, Mortimer Avenue, Cardiff would be worth £317,510, with a potential rental value of £1,557 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £281,223, with a rental value of £1,379 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
173, Mortimer Avenue, Cardiff occupies a 151 m2 plot as recorded by HM Land Registry.
Of the 56 other houses in this postcode, 52 have recorded plot sizes, and this one ranks as the 24th largest.
Energy Efficiency
173, Mortimer Avenue, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 15 May 2020.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
173, Mortimer Avenue, Cardiff last changed hands on 31st July 2020, selling for £214,995. 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 1.7% since July 2020.
- Sold Jul 2020£214,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 359 sales of comparable properties within 860 metres of 173, Mortimer Avenue, Cardiff since 2019.
Most recently, 185, Mortimer Avenue, Cardiff, CF3 6YG, a freehold house, sold at £299,000 on the 27th March 2026.
Read more about house prices in CF3.
- Sold Mar 2026£299,000 | 3 Bed House185, Mortimer Avenue, Cardiff, CF3 6YG185, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Mar 2026£280,000 | 3 Bed House23, Heol Williams, Cardiff, CF3 6AQ23, Heol Williams, Cardiff, CF3 6AQ
- Sold Jan 2026£287,000 | 3 Bed House9, Heol Swatridge, Cardiff, CF3 6AP9, Heol Swatridge, Cardiff, CF3 6AP
- Sold Jul 2025£290,000 | 3 Bed House179, Mortimer Avenue, Cardiff, CF3 6YG179, Mortimer Avenue, Cardiff, CF3 6YG
- Sold Jul 2025£285,000 | 3 Bed House193, Mortimer Avenue, Cardiff, CF3 6YG193, Mortimer Avenue, Cardiff, CF3 6YG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £302,920, ranging from £262,870 to £367,943.
- 175 Mortimer Avenue
3 Bed House | 3 m | Est. Value: £302,391
- 171 Mortimer Avenue
3 Bed House | 13 m | Est. Value: £262,870
- 169 Mortimer Avenue
3 Bed House | 18 m | Est. Value: £262,870
- 177 Mortimer Avenue
3 Bed House | 21 m | Est. Value: £302,391
- 192 Mortimer Avenue
3 Bed House | 24 m | Est. Value: £326,503
Location Comparison
Our analysis of the public data ranks 173, Mortimer Avenue, Cardiff as the 46th largest and the 60th most expensive of the 108 addresses on Mortimer Avenue, Old St. Mellons, Cardiff, CF3.
Against the CF3 postcode district average, it is £45k more expensive than the typical property.
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
Environment Agency data suggests this area has a Very Low risk of flooding.
