16a, Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
About 16a
16a is a semi-detached house in Bonvilston, Cardiff, Cardiff (CF5 6TT). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1950-1966 and council tax band C. At 59 m² this is the smallest unit on EPC record across the building (59–143 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2022) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since January 2015. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good.
At 59 m² it sits well below the postcode median (91 m² across 17 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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Planning history
16a 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
16a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£173,000
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 6TT: £320,000 (2024–2022).
Nearby sales in CF5 6TT
1 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Sept 2024
£350,00019 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jul 2024
£260,00010 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jul 2024
£320,00011 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Aug 2023
£405,00015 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jun 2022
£190,000
Versus other Maes Y Ffynnon homes
EPC Rating
76 (C)
Street avg 72 (C)
Floor Area
59 m²
Street avg 59 m²
CO₂ Emissions
1.6 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maes-y-Ffynon — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







