12 Colwyn Road, Rumney, Cardiff, CF3 3JS
About 12 Colwyn Road
12 Colwyn Road is a three-bedroom semi-detached house in Rumney, Cardiff, Cardiff (CF3 3JS). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2014) shows a D (score 55), 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 March 2014, so improvements made since then won't be reflected.
Last sold in February 2016, so it's been off the market for around 10 years. Across 2007–2016, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £237,000 is 48.1% above the 2016 sale price.
What this property has
Inside
- Bedrooms3
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This certificate is over 10 years old and is no longer valid.Expired 10 Mar 2024
EPC Rating
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Planning history
12 Colwyn Road 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
12 Colwyn Road valuation sits well clear of the typical sold price in this postcode.
£237,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 8 years.
£160,000
Growth on file: 1.9% per year over 8 years.
Sales timeline
22 February 2016Most recent
£160,000
+16.8%over 8 years25 September 2007
£137,000
Median price across the last 5 sales in CF3 3JS: £251,000 (2025–2021).
Nearby sales in CF3 3JS
10 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Jun 2025
£251,00011 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Dec 2024
£295,00019 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Dec 2022
£360,0004 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Oct 2021
£165,00018 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Apr 2021
£230,000
Versus other Colwyn Road homes
On epc rating, 12 Colwyn Road runs well behind the street norm.
Price per m²
£1,882
Street avg £2,078
Floor Area
85 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.5 t/year
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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
Manorbier Cres — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







