11 Colwyn Road, Rumney, Cardiff, CF3 3JS
About 11 Colwyn Road
11 Colwyn Road is a three-bedroom semi-detached house in Rumney, Cardiff, Cardiff (CF3 3JS). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (July 2024) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in January 2014 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 79).
Most recent transfer was December 2024 at £295,000 — fresh data. At 110 m² it's 27.9% larger than the typical home in the postcode (86 m² median across 17 EPCs). On a £-per-square-foot basis, the last sale (£249/sq ft) was about 63.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
11 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
11 Colwyn Road valuation sits well clear of the typical sold price in this postcode.
£310,000
Modelled from EPC, postcode comparables.
£295,000
Recorded with HM Land Registry.
Sales timeline
10 December 2024Most recent
£295,000
Median price across the last 5 sales in CF3 3JS: £230,000 (2025–2018).
Nearby sales in CF3 3JS
10 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Jun 2025
£251,00019 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
£230,0008 Colwyn Road, Rumney, Cardiff, CF3 3JS
Sold Nov 2018
£189,450
Versus other Colwyn Road homes
On price per m², 11 Colwyn Road stands well clear of the street.
Price per m²
£2,682
Street avg £1,978
Floor Area
110 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.4 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.







