15 Claremont Avenue, Rumney, Cardiff, CF3 4LR
About 15 Claremont Avenue
15 Claremont Avenue is a semi-detached house in Rumney, Cardiff, Cardiff (CF3 4LR). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (June 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
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Planning history
15 Claremont Avenue 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
15 Claremont Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£268,000
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 4LR: £235,000 (2022–2020).
Nearby sales in CF3 4LR
6 Claremont Avenue, Rumney, Cardiff, CF3 4LR
Sold Oct 2022
£265,00021 Claremont Avenue, Rumney, Cardiff, CF3 4LR
Sold Aug 2022
£340,0003 Claremont Avenue, Rumney, Cardiff, CF3 4LR
Sold May 2022
£235,00018 Claremont Avenue, Rumney, Cardiff, CF3 4LR
Sold Sept 2021
£220,00025 Claremont Avenue, Rumney, Cardiff, CF3 4LR
Sold Jan 2020
£208,000
Versus other Claremont Avenue homes
EPC Rating
66 (D)
Street avg 61 (D)
Floor Area
92 m²
Street avg 95 m²
CO₂ Emissions
3.5 t/year
Street avg 4.1 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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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
0.1 km
Claremont Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







