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
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 £1,020 · 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.
£411,000
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
6/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.







