20 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
About 20 Heol Booths
20 Heol Booths is a mid-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6WA). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to 2012 onwards. The latest certificate (March 2025) returns a B (score 82), comfortably above the UK average. The recommended improvements would push it to A (score 96).
At 57 m² it sits well below the postcode median (93 m² across 65 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £230,000 is 29.9% above the 2018 sale price. Sold December 2018 for £177,000.
Energy performance
20 Heol Booths's carbon output is low for the local stock.
EPC Rating
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Planning history
20 Heol Booths 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
£230,000
Modelled from EPC, postcode comparables.
£177,000
Recorded with HM Land Registry.
Sales timeline
19 December 2018Most recent
£177,000
Median price across the last 5 sales in CF3 6WA: £240,000 (2025–2025).
Nearby sales in CF3 6WA
41 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
Sold Jul 2025
£195,00063 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
Sold May 2025
£249,99555 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
Sold May 2025
£240,0009 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
Sold Apr 2025
£229,95061 Heol Booths, Old St Mellons, Cardiff, CF3 6WA
Sold Feb 2025
£262,000
Versus other Heol Booths homes
On floor area, 20 Heol Booths runs well behind the street norm.
Price per m²
£3,105
Street avg £3,150
Floor Area
57 m²
Street avg 82 m²
CO₂ Emissions
1.0 t/year
Street avg 1.3 t/year
Years Held
7 years
Street avg 6 years
Similar properties nearby
1 Boyce Way, Old St Mellons
CF3 6AB
1 Lewis Crescent, Old St Mellons
CF3 6YQ
1 Ffordd Crabtree, Old St Mellons
CF3 6AN
1 Bridge Terrace, Michaelston Y Fedw
CF3 6YZ
1 Potter Street, Old St Mellons
CF3 6AR
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Clos Grehan, Old St Mellons
CF3 6BF
1 Heol Booths, Old St Mellons
CF3 6WA
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
0.0 km
Heol Booths 1 — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







