19 Blethin Close, Cardiff, CF5 2RR
About 19 Blethin Close
19 Blethin Close is a semi-detached house in Cardiff (CF5 2RR). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1967-1975 and council tax band C. At 40 m² this is the smallest unit on EPC record across the building (40–143 m²). The building's EPC ratings span E to C across 34 units on file. The latest certificate (December 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since July 2013. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition.
At 40 m² it sits well below the postcode median (64 m² across 33 EPCs), making it one of the more compact homes locally.
Everything you need to know about 19 Blethin Close
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Ventilation system changed
More low energy lighting installed
Heating controls upgraded for better temperature management
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Planning history
19 Blethin Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
19 Blethin Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£132,000
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 CF5 2RR: £274,000 (2025–2023).
Versus other Blethin Close homes
Floor Area for 19 Blethin Close lags the street by a wide margin.
EPC Rating
68 (D)
Street avg 70 (C)
Floor Area
40 m²
Street avg 43 m²
CO₂ Emissions
1.7 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 19 Blethin Close
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blethin Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.