20 Maria Street, Cardiff, CF10 5HG
About 20 Maria Street
20 Maria Street is a semi-detached house in Cardiff (CF10 5HG). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (October 2017) shows a C (score 74). The rating has held steady at C across 2 certificates since October 2015. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Poor; while window efficiency dropped from Good to Average. At 75 m² this is the 7th smallest of 25 units on EPC record in the building, where floor areas span 46–93 m². The building's EPC ratings span D to B across 25 units on file.
Energy performance
EPC Rating
Certificate validity
Valid until 26 October 2027
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Cavity wall insulation installed
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Level 2 HomeBuyer Report
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Planning history
20 Maria Street has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Maria Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£145,000
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 CF10 5HG: £195,000 (2024–2008).
Versus other Maria Street homes
EPC Rating
74 (C)
Street avg 74 (C)
Floor Area
75 m²
Street avg 69 m²
CO₂ Emissions
2.1 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Christina Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







