27 Mayfield Avenue, Cardiff, CF5 1AL
About 27 Mayfield Avenue
27 Mayfield Avenue is a mid-terrace house in Cardiff (CF5 1AL). It has a recorded floor area of 90 m² (around 971 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (April 2010) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would push it to E (score 44). The latest certificate is from April 2010, so improvements made since then won't be reflected.
It hasn't traded since October 2010, a hold of 16 years that's notably long for the area. At 90 m² it's 16% smaller than the typical home in the postcode (108 m² median across 16 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £342,000 sits 80% above the 2010 sale of £189,950.
Energy performance
27 Mayfield Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Apr 2020
EPC Rating
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
27 Mayfield Avenue 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
27 Mayfield Avenue valuation sits well clear of the typical sold price in this postcode.
£342,000
Modelled from EPC, postcode comparables.
£189,950
Recorded with HM Land Registry.
Sales timeline
21 October 2010Most recent
£189,950
Median price across the last 5 sales in CF5 1AL: £345,100 (2024–2019).
Nearby sales in CF5 1AL
Versus other Mayfield Avenue homes
On epc rating, 27 Mayfield Avenue runs well behind the street norm.
Price per m²
£2,105
Street avg £2,611
Floor Area
90 m²
Street avg 106 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.6 t/year
Street avg 5.1 t/year
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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.







