9c, Glyn Coed Road, Cardiff, CF23 7DX
About 9c
9c is a semi-detached house in Cardiff (CF23 7DX). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1967-1975 and council tax band C. At 39 m² this is the smallest unit on EPC record across the building (39–90 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 75). The latest certificate (June 2019) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since June 2009. Between certificates, roof efficiency went from Very Poor to Poor; while wall efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73).
At 39 m² it sits well below the postcode median (61 m² across 7 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Low energy lighting percentage decreased
Heating controls changed
Roof insulation improved
More low energy lighting installed
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Planning history
9c 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
9c has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£129,000
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 7DX: £160,000 (2025–2017).
Nearby sales in CF23 7DX
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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
0.0 km
Holly Bush — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







