1 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
About 1 Gwern Hafren
1 Gwern Hafren is a two-bedroom mid-terrace house in Cardiff (CF11 9EY). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (January 2023) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since November 2008. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good.
It hasn't traded since November 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £216,000 is 29% above the 2008 sale price.
What this property has
Inside
- Bedrooms2
- Bathrooms2
Energy performance
1 Gwern Hafren's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
1 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.
£216,000
Modelled from EPC, postcode comparables.
£167,500
Recorded with HM Land Registry.
Sales timeline
26 November 2008Most recent
£167,500
Median price across the last 5 sales in CF11 9EY: £255,000 (2024–2020).
Nearby sales in CF11 9EY
2 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
£405,0004 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Feb 2022
£154,00012 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
Sold Nov 2020
£255,000
Versus other Severn Grove homes
1 Gwern Hafren outperforms the street on years held by a wide margin.
Price per m²
£2,991
Street avg £3,434
Floor Area
56 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
9/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.







