91 92, Flat 3, St Mary Street, Cardiff, CF10 1DX
About 91 92
91 92 is a mid-terrace house in Cardiff (CF10 1DX). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 1900-1929. At 56 m² this is the smallest unit on EPC record across 91 92 (56–110 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2022) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it C (January 2012); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to D (score 60). Main heating runs on electricity.
At 56 m² it sits well below the postcode median (90 m² across 25 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water system changed
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 £820 · Includes VAT
Planning history
91 92 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
91 92 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£159,000
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 1DX: £9,035,388 (2021–2021).
Nearby sales in CF10 1DX
Versus other St Mary Street homes
On habitable rooms, 91 92 runs well behind the street norm.
EPC Rating
52 (E)
Street avg 58 (D)
Floor Area
56 m²
Street avg 83 m²
CO₂ Emissions
3.2 t/year
Street avg 3.8 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
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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
0.0 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.







