Pen Y Gaer, Groeswen Road, Groeswen, Cardiff, CF15 7UT
About Pen Y Gaer
Pen Y Gaer is a four-bedroom semi-detached house in Groeswen, Cardiff, Cardiff (CF15 7UT). It has a recorded floor area of 167 m² (around 1798 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (June 2009) shows a D (score 59), a step below the typical UK home. Main heating runs on oil. The latest certificate is from June 2009, so improvements made since then won't be reflected.
Today's modelled estimate of £475,000 sits 61% above the 2011 sale of £295,000. On a £-per-square-foot basis, the last sale (£164/sq ft) was about 24.4% below the postcode norm. 6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 167 m² it's 15.6% larger than the typical home in the postcode (145 m² median across 8 EPCs). Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Last changed hands 15 years ago, in November 2011.
What this property has
Inside
- Bedrooms4
Energy performance
Pen Y Gaer's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 22 Jun 2019
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
Pen Y Gaer has 2 separate extension applications on the council record.
6 applications on record at Pen Y Gaer, Groeswen Road, Groeswen, Cardiff, CF15 7UT
- Jun 2007New BuildFullOutcome in report
Erect two storey residential dwelling
- Documents
- 1 doc on file
- Reference
- 07/0004/FULL
- More recent applications — locked
- ConditionsJul 2019Decision
- AmendmentJun 2019Decision
+ 3 more applications in the report
Unlock Pen Y Gaer, Groeswen Road, Groeswen, Cardiff, CF15 7UT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (6 on record)
- All 6 applications on this property in full, plus 1 notable nearby
- The 61 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
£475,000
Modelled from EPC, postcode comparables.
£295,000
Recorded with HM Land Registry.
Sales timeline
11 November 2011Most recent
£295,000
Median price across the last 4 sales in CF15 7UT: £369,000 (2024–2011).
Versus other Groeswen Road homes
Price per m² for Pen Y Gaer lags the street by a wide margin.
Price per m²
£1,766
Street avg £3,391
Floor Area
167 m²
Street avg 153 m²
CO₂ Emissions
7.4 t/year
Street avg 10.1 t/year
Years Held
15 years
Street avg 6 years
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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.







