3 The Hophouse, St Mary Street, Cardiff, CF10 1FD
About 3 The Hophouse
3 The Hophouse is a mid-terrace house in Cardiff (CF10 1FD). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band E. At 48 m² this is the smallest unit on EPC record across the building (48–74 m²). The building's EPC ratings span E to B across 6 units on file. The latest certificate (July 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since July 2010. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 86). Main heating runs on electricity.
Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). On the market in March 2016 and unlisted since — roughly 10 years. Across 2003–2016, sale prices on this property compounded at -1% per year. Today's modelled estimate of £138,000 is 25.5% above the 2016 sale price.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
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
3 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
3 The Hophouse's sale-price growth has lagged the wider UK trajectory across its history on file.
£138,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.0% per year over 12 years.
£110,000
Growth on file: -1.0% per year over 12 years.
Sales timeline
18 March 2016Most recent
£110,000
-24.1%over 10 years11 May 2005
£145,000
+16.0%over 1 year7 November 2003
£125,000
Median price across the last 5 sales in CF10 1FD: £111,500 (2025–2004).
Nearby sales in CF10 1FD
Versus other St Mary Street homes
On floor area, 3 The Hophouse runs well behind the street norm.
Price per m²
£2,292
Street avg £2,419
Floor Area
48 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.3 t/year
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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.







