Flat 4, 22 St Mary Street, Cardiff, CF10 1AA
About Flat 4
Flat 4 is a mid-terrace house in Cardiff (CF10 1AA). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band F. At 90 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 54–90 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (April 2023) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in September 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. Main heating runs on electricity.
At 90 m² the property is well over the postcode median (63 m² across 3 EPCs), placing it in the larger end of the local stock.
Everything you need to know about Flat 4
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Flat 4 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
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£240,000
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 1 sales in CF10 1AA: £602,000 (2023–2023).
Nearby sales in CF10 1AA
Versus other St Mary Street homes
On epc rating, Flat 4 stands well clear of the street.
EPC Rating
61 (D)
Street avg 56 (D)
Floor Area
90 m²
Street avg 69 m²
CO₂ Emissions
3.1 t/year
Street avg 2.9 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about Flat 4
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Royal Hotel KJ — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.