18 Maria Street, Cardiff, CF10 5HG
About 18 Maria Street
18 Maria Street is a detached house in Cardiff (CF10 5HG). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (February 2016) shows a C (score 80), near the top of the C band. When first surveyed in March 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good. The latest certificate is from February 2016, so improvements made since then won't be reflected. At 63 m² this is the 3rd 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.
At 63 m² it's 22.2% smaller than the typical home in the postcode (81 m² median across 24 EPCs).
Everything you need to know about 18 Maria Street
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Energy performance
18 Maria Street's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Feb 2026
EPC Rating
Certificate validity
Expired on 12 February 2026
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Low energy lighting percentage decreased
Hot water efficiency improved
Cavity wall insulation installed
More low energy lighting installed
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Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
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Planning history
18 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
18 Maria Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£134,000
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
18 Maria Street outperforms the street on epc rating by a wide margin.
EPC Rating
80 (C)
Street avg 74 (C)
Floor Area
63 m²
Street avg 70 m²
CO₂ Emissions
1.2 t/year
Street avg 2.1 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 18 Maria Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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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.