31 Chalky Bank, Gravesend, DA11 7NZ

31 Chalky Bank is a three-bedroom semi-detached house in Gravesend (DA11 7NZ). It has a recorded floor area of 80 m² (around 862 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2011) shows an F (score 38), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 57), a 2-band jump. The latest certificate is from April 2011, so improvements made since then won't be reflected.

At 80 m² it's 27.8% smaller than the typical home in the postcode (111 m² median across 10 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2011–2012, sale prices on this property compounded at 17.1% per year. Today's modelled estimate of £384,000 sits 60% above the 2012 sale of £240,000. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 17% above the typical sold price in the postcode. On the market in September 2012 and unlisted since — roughly 14 years.