1 The Hophouse, St Mary Street, Cardiff, CF10 1FD
About 1 The Hophouse
1 The Hophouse is a mid-terrace house in Cardiff (CF10 1FD). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1900-1929 and council tax band E. At 50 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 48–74 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (July 2013) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). Main heating runs on electricity. The latest certificate is from July 2013, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Energy performance
1 The Hophouse's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Jul 2023
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 The Hophouse 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
1 The Hophouse has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£147,000
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 1FD: £111,000 (2025–2013).
Nearby sales in CF10 1FD
5 The Hophouse, St Mary Street, Cardiff, CF10 1FD
Sold Sept 2025
£111,5002 The Hophouse, St Mary Street, Cardiff, CF10 1FD
Sold Nov 2018
£111,0003 The Hophouse, St Mary Street, Cardiff, CF10 1FD
Sold Mar 2016
£110,0006 The Hophouse, St Mary Street, Cardiff, CF10 1FD
Sold Nov 2003
£162,0004 The Hophouse, St Mary Street, Cardiff, CF10 1FD
Sold Nov 2003
£164,750
Versus other St Mary Street homes
1 The Hophouse is notably below the street on epc rating.
EPC Rating
52 (E)
Street avg 65 (D)
Floor Area
50 m²
Street avg 55 m²
CO₂ Emissions
2.9 t/year
Street avg 2.0 t/year
Habitable Rooms
2 rooms
Street avg 2 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
0.1 km
Lower St. Mary Street JS — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







