77h, Norwich Road, Watton, Thetford, IP25 6DH

77h is a mid-terrace house in Watton, Thetford, Thetford (IP25 6DH). It has a recorded floor area of 58 m² (around 619 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (January 2012) shows an F (score 27), near the bottom of the EPC scale. Earlier certificates rated it B (April 2009); the latest reading is 4 bands lower. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to E (score 40). Main heating runs on electricity. The latest certificate is from January 2012, so improvements made since then won't be reflected. At 58 m² this is the 6th smallest of 26 units on EPC record in the building, where floor areas span 32–187 m². The building's EPC ratings span F to A, with this unit at the bottom. On EPC score it ranks last in the building (27 versus a best of 92).

At 58 m² it's 26.8% smaller than the typical home in the postcode (79 m² median across 25 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.