15 Colwyn Road, Rumney, Cardiff, CF3 3JS
About 15 Colwyn Road
15 Colwyn Road is a semi-detached house in Rumney, Cardiff, Cardiff (CF3 3JS). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (May 2017) shows a C (score 73). When first surveyed in July 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 88).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
Planning history
15 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
15 Colwyn Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£213,000
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 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 co₂ emissions, 15 Colwyn Road stands well clear of the street.
EPC Rating
73 (C)
Street avg 66 (D)
Floor Area
77 m²
Street avg 95 m²
CO₂ Emissions
2.3 t/year
Street avg 3.6 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
1 Caer Castell Place, Rumney
CF3 3PW
1 Laugharne Road, Rumney
CF3 3HY
1 Goodwick Road, Rumney
CF3 3HW
1 Brachdy Lane, Rumney
CF3 3AR
1 Laugharne Avenue, Rumney
CF3 3HZ
1 Criccieth Road, Rumney
CF3 3JT
1 Downlands Way, Rumney
CF3 3BY
1 Greenway Avenue, Rumney
CF3 3HQ
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.







