4 Colwyn Road, Rumney, Cardiff, CF3 3JS
About 4 Colwyn Road
4 Colwyn Road is a three-bedroom semi-detached house in Rumney, Cardiff, Cardiff (CF3 3JS). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (January 2021) shows a C (score 69), just inside the C band. When first surveyed in July 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 83).
Today's modelled estimate of £247,000 is 49.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 17% above the typical sold price in the postcode. Last sale on file: £165,000 in October 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Hot water system upgraded
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
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Planning history
4 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£247,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
21 October 2021Most recent
£165,000
Median price across the last 5 sales in CF3 3JS: £251,000 (2025–2018).
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
£360,00018 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Apr 2021
£230,0008 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Nov 2018
£189,450
Versus other Colwyn Road homes
Price per m²
£1,919
Street avg £2,073
Floor Area
86 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 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.







