18 Mayfield Avenue, Weston Super Mare, BS22 6AA

18 Mayfield Avenue is a three-bedroom semi-detached house in Weston Super Mare (BS22 6AA). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (April 2015) shows an F (score 38), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since November 2011. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good; while lighting dropped from Very Good to Poor. The recommended improvements would lift it to C (score 70), a 3-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected.

At 68 m² it's 21.7% smaller than the typical home in the postcode (87 m² median across 30 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2012–2015, sale prices on this property compounded at 6% per year. Today's modelled estimate of £249,000 sits 60.7% above the 2015 sale of £154,950. On a £-per-square-foot basis, the last sale (£212/sq ft) was about 28.2% above the typical sold price in the postcode. On the market in July 2015 and unlisted since — roughly 11 years.