Flat 9, 5 Albermarle Row, Bristol, BS8 4LY

Flat 9 is a semi-detached house in Bristol (BS8 4LY). It has a recorded floor area of 48 m² (around 516 sq ft), construction records dating it to before 1900 and council tax band B. At 48 m² this is the smallest unit on EPC record across the building (48–73 m²). The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (18 versus a best of 70). The latest certificate (March 2010) shows a G (score 18), near the bottom of the EPC scale. Earlier certificates rated it C (November 2008); the latest reading is 4 bands lower. Between certificates, wall efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to E (score 50), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2010, so improvements made since then won't be reflected.

At 48 m² it's 23.7% smaller than the typical home in the postcode (63 m² median across 40 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in October 2016 and unlisted since — roughly 10 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 2000–2016, sale prices on this property compounded at 5.2% per year. Today's modelled estimate of £268,000 is 38.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£374/sq ft) was about 23.4% above the typical sold price in the postcode.