Duffryn Wen, Groeswen Road, Groeswen, Cardiff, CF15 7UT
About Duffryn Wen
Duffryn Wen is a detached house in Groeswen, Cardiff, Cardiff (CF15 7UT). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (May 2019) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 93), a 4-band jump. Main heating runs on oil.
3 planning records sit against the property, 1 approved, 1 refused. At 124 m² it's 17.9% smaller than the typical home in the postcode (151 m² median across 8 EPCs).
Energy performance
Duffryn Wen's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
3 applications on record at Duffryn Wen, Groeswen Road, Groeswen, Cardiff, CF15 7UT
- Jul 2018ApplicationOutcome in report
Remove condition 01 (agriculture/forestry occupancy restriction) relating to planning permission ref: CUDC 7898 from 1968
- Documents
- 6 docs on file
- Reference
- 18/0494/NCC
- More recent applications — locked
- AmendmentJun 2025Decision
- ApplicationAug 2024Decision
Unlock Duffryn Wen, Groeswen Road, Groeswen, Cardiff, CF15 7UT's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Duffryn Wen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£389,000
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 CF15 7UT: £318,000 (2024–2011).
Nearby sales in CF15 7UT
Ty Treharne, Groeswen Road, Groeswen, Cardiff, CF15 7UT
Sold Jan 2024
£1,199,300Groeswen Farm, Groeswen Road, Groeswen, Cardiff, CF15 7UT
Sold Jan 2021
£420,000Ysgubor, Groeswen Road, Groeswen, Cardiff, CF15 7UT
Sold Jun 2016
£318,000Pen Y Gaer, Groeswen Road, Groeswen, Cardiff, CF15 7UT
Sold Nov 2011
£295,000
Versus other Groeswen Road homes
Floor Area for Duffryn Wen lags the street by a wide margin.
EPC Rating
39 (E)
Street avg 44 (E)
Floor Area
124 m²
Street avg 159 m²
CO₂ Emissions
9.1 t/year
Street avg 9.9 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
1.0 km
Brigham Court — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







