31 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
About 31 Heol Bennett
31 Heol Bennett is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6AF). It has a recorded floor area of 110 m² (around 1184 sq ft). The latest certificate (May 2018) returns a B (score 84), comfortably above the UK average. The recommended improvements would push it to A (score 94).
Last sold in May 2018, so it's been off the market for around 8 years. Today's modelled estimate of £422,000 is 34% above the 2018 sale price.
Energy performance
31 Heol Bennett's carbon output is low for the local stock.
EPC Rating
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Planning history
31 Heol Bennett has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£422,000
Modelled from EPC, postcode comparables.
£314,995
Recorded with HM Land Registry.
Sales timeline
30 May 2018Most recent
£314,995
Median price across the last 5 sales in CF3 6AF: £468,995 (2025–2020).
Nearby sales in CF3 6AF
5 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
Sold Mar 2025
£612,5001 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
Sold Feb 2022
£510,00045 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
Sold Mar 2021
£292,00079 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
Sold Jul 2020
£377,00043 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF
Sold May 2019
£323,000
Versus other Heol Bennett homes
Price per m²
£2,864
Street avg £2,792
Floor Area
110 m²
Street avg 116 m²
CO₂ Emissions
1.5 t/year
Street avg 1.6 t/year
Years Held
8 years
Street avg 8 years
Similar properties nearby
1 Cefn Mably Park, Michaelston Y Fedw
CF3 6AA
1 Began Road, Old St Mellons
CF3 6XJ
1 Heol Williams, Old St Mellons
CF3 6AQ
1 George Crescent, Old St Mellons
CF3 6AH
1 Rees Drive, Old St Mellons
CF3 6AS
1 Rhodfa Leonard, Old St Mellons
CF3 6YW
1 Stryd Boyd, Old St Mellons
CF3 6YS
1 Ruperra Close, Old St Mellons
CF3 6HX
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Heol Bennett — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







