21b, Abergele Road, Rumney, Cardiff, CF3 1RR
About 21b
21b is a semi-detached house in Rumney, Cardiff, Cardiff (CF3 1RR). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (June 2021) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Poor to Average; while lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump.
At 141 m² the property is well over the postcode median (48 m² across 18 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Roof insulation improved
Low energy lighting percentage decreased
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Wall insulation upgraded
Low energy lighting percentage decreased
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Planning history
21b has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£335,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF3 1RR: £95,000 (2023–2006).
Nearby sales in CF3 1RR
6 Abergele Road, Rumney, Cardiff, CF3 1RR
Sold Oct 2023
£77,00020 Abergele Road, Rumney, Cardiff, CF3 1RR
Sold Aug 2023
£95,00021a, Abergele Road, Rumney, Cardiff, CF3 1RR
Sold Jun 2021
£194,00012 Abergele Road, Rumney, Cardiff, CF3 1RR
Sold Aug 2006
£80,0001 Abergele Road, Rumney, Cardiff, CF3 1RR
Sold Jan 1998
£42,000
Versus other Abergele Road homes
On floor area, 21b stands well clear of the street.
EPC Rating
65 (D)
Street avg 56 (D)
Floor Area
141 m²
Street avg 97 m²
CO₂ Emissions
5.3 t/year
Street avg 5.9 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
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
Abergele Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







