Gratton Cottage, East Down, Barnstaple, EX31 4LZ

Gratton Cottage is a detached house in East Down, Barnstaple, Barnstaple (EX31 4LZ). It has a recorded floor area of 203 m² (around 2185 sq ft) and construction records dating it to 1950-1966. The latest certificate (August 2015) shows an F (score 35), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since March 2014. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Average; while roof efficiency dropped from Very Good to Good and main heating dropped from Average to Poor. The recommended improvements would lift it to B (score 86), a 4-band jump. Main heating runs on oil. The latest certificate is from August 2015, so improvements made since then won't be reflected.

At 203 m² it's 17% larger than the typical home in the postcode (174 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £555,000 sits 94.7% above the 2014 sale of £285,000. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 49.6% below the postcode norm. Last sold in December 2014, so it's been off the market for around 11 years.