1 Rose Cottage, Newport Road, Old St Mellons, Cardiff, CF3 5UA
About 1 Rose Cottage
1 Rose Cottage is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5UA). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (November 2023) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 71).
At 148 m² the property is well over the postcode median (65 m² across 28 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 8 November 2033
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
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Planning history
1 Rose Cottage 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
1 Rose Cottage has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£255,000
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 5UA: £325,000 (2026–2022).
Nearby sales in CF3 5UA
Woodways, Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2026
£395,010968 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Dec 2024
£300,000972 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Oct 2023
£1,550,000966 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2022
£290,000964 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2022
£325,000
Versus other Newport Road homes
1 Rose Cottage is notably below the street on epc rating.
EPC Rating
64 (D)
Street avg 76 (C)
Floor Area
148 m²
Street avg 73 m²
CO₂ Emissions
5.2 t/year
Street avg 1.9 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Bluebell Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







