11a, First Floor Flat, Graham Road, Weston Super Mare, BS23 1YA

11a is a semi-detached house in Weston Super Mare (BS23 1YA). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to before 1900. The latest certificate (March 2023) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Good; while lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 77). At 80 m² this is the 2nd smallest of 3 units on EPC record in 11a, where floor areas span 75–80 m².

Held since March 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £163,000 sits 94% above the 2009 sale of £84,000. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 28.7% below the postcode norm. At 80 m² it's 19.8% larger than the typical home in the postcode (67 m² median across 54 EPCs).