137 Bryn Celyn, Cardiff, CF23 7EH
About 137 Bryn Celyn
137 Bryn Celyn is a semi-detached house in Cardiff (CF23 7EH). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band A. At 46 m² this is the 2nd smallest of 32 units on EPC record in the building, where floor areas span 44–187 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (March 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2010. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.
At 46 m² it sits well below the postcode median (84 m² across 31 EPCs), making it one of the more compact homes locally.
Everything you need to know about 137 Bryn Celyn
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Energy performance
137 Bryn Celyn's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
Roof insulation improved
More low energy lighting installed
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Planning history
137 Bryn Celyn 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
137 Bryn Celyn has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£112,000
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 CF23 7EH: £138,000 (2023–2008).
Versus other Bryn Celyn homes
Floor Area for 137 Bryn Celyn lags the street by a wide margin.
EPC Rating
76 (C)
Street avg 77 (C)
Floor Area
46 m²
Street avg 58 m²
CO₂ Emissions
1.3 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 137 Bryn Celyn
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Interchange — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.