2a, Mayfield Avenue, Cardiff, CF5 1AN
About 2a
2a is an end-of-terrace house in Cardiff (CF5 1AN). It has a recorded floor area of 128 m² (around 1378 sq ft) and construction records dating it to 1930-1949. The latest certificate (October 2022) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2010. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 75).
At 128 m² it's 28% larger than the typical home in the postcode (100 m² median across 15 EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 20 October 2032
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Cavity wall insulation installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
2a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
2a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£386,000
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 1AN: £400,000 (2025–2023).
Nearby sales in CF5 1AN
Versus other Mayfield Avenue homes
2a outperforms the street on floor area by a wide margin.
EPC Rating
62 (D)
Street avg 64 (D)
Floor Area
128 m²
Street avg 104 m²
CO₂ Emissions
5.0 t/year
Street avg 4.3 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Windway Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







