21 Claremont Crescent, Rumney, Cardiff, CF3 4LS
About 21 Claremont Crescent
21 Claremont Crescent is a semi-detached house in Rumney, Cardiff, Cardiff (CF3 4LS). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2014) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Jan 2024
EPC Rating
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Planning history
21 Claremont Crescent 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
21 Claremont Crescent has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£239,000
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 4LS: £237,000 (2025–2021).
Nearby sales in CF3 4LS
3 Claremont Crescent, Rumney, Cardiff, CF3 4LS
Sold Mar 2025
£190,00016 Claremont Crescent, Rumney, Cardiff, CF3 4LS
Sold May 2024
£285,00011 Claremont Crescent, Rumney, Cardiff, CF3 4LS
Sold Jan 2022
£237,0001 Claremont Crescent, Rumney, Cardiff, CF3 4LS
Sold Sept 2021
£240,00014 Claremont Crescent, Rumney, Cardiff, CF3 4LS
Sold Mar 2021
£210,000
Versus other Claremont Crescent homes
On floor area, 21 Claremont Crescent runs well behind the street norm.
EPC Rating
56 (D)
Street avg 62 (D)
Floor Area
84 m²
Street avg 100 m²
CO₂ Emissions
4.3 t/year
Street avg 4.3 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.







