10 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
About 10 Gwern Hafren
10 Gwern Hafren is a two-bedroom end-of-terrace house in Cardiff (CF11 9EY). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (December 2022) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since February 2009. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. At 60 m² this is the 10th smallest of 15 units on EPC record in the building, where floor areas span 34–93 m². The building's EPC ratings span C to B, with this unit at the top.
Untraded for 18 years, with the last transfer in November 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 60 m² it's 22.4% larger than the typical home in the postcode (49 m² median across 14 EPCs).
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
10 Gwern Hafren's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 8 December 2032
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
10 Gwern Hafren has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£224,000
Modelled from EPC, postcode comparables.
£219,950
Recorded with HM Land Registry.
Sales timeline
21 November 2008Most recent
£219,950
Median price across the last 5 sales in CF11 9EY: £195,100 (2026–2022).
Nearby sales in CF11 9EY
7 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Mar 2026
£175,00011 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Jan 2026
£162,0002 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Apr 2024
£195,10014 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Feb 2024
£416,00015 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Mar 2022
£405,000
Versus other Severn Grove homes
On years held, 10 Gwern Hafren stands well clear of the street.
Price per m²
£3,666
Street avg £3,534
Floor Area
60 m²
Street avg 52 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
1.0 t/year
Street avg 1.0 t/year
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The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Halfway Hotel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







