9b, The Cathedral Green, Cardiff, CF5 2EB
About 9b
9b is a mid-terrace house in Cardiff (CF5 2EB). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band F. At 85 m² this is the 19th smallest of 44 units on EPC record in the building, where floor areas span 46–395 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2023) shows a C (score 72). The rating has held steady at C across 2 certificates since June 2010. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Very Good.
Energy performance
EPC Rating
Certificate validity
Valid until 20 July 2033
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
9b has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£315,000
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 CF5 2EB: £400,000 (2024–2020).
Nearby sales in CF5 2EB
Yr Hen Dy, Flat 5, 5 The Cathedral Green, Cardiff, CF5 2EB
Sold Nov 2024
£330,000Yr Hen Dy, Flat 3, 5 The Cathedral Green, Cardiff, CF5 2EB
Sold Aug 2024
£400,00017 The Cathedral Green, Cardiff, CF5 2EB
Sold Nov 2023
£730,00032 The Cathedral Green, Cardiff, CF5 2EB
Sold Feb 2021
£340,00029 The Cathedral Green, Cardiff, CF5 2EB
Sold Dec 2020
£595,000
Versus other The Cathedral Green homes
CO₂ Emissions for 9b runs comfortably ahead of the street norm.
EPC Rating
72 (C)
Street avg 62 (D)
Floor Area
85 m²
Street avg 110 m²
CO₂ Emissions
2.5 t/year
Street avg 4.9 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Heathcock — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







