Flat 1, 30 Calvert Street, Norwich, NR3 1BT

Flat 1 is an end-of-terrace house in Norwich (NR3 1BT). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1991-1995 and council tax band A. At 56 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 40–64 m². On EPC score it ranks last in the building (61 versus a best of 68). The latest certificate (December 2021) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2010. Between certificates, lighting went from Average to Very Good and main heating went from Poor to Average. The recommended improvements would push it to C (score 73). Main heating runs on electricity.

Today's modelled estimate of £135,000 sits 50.1% above the 2011 sale of £89,950. At 56 m² it's 20.4% larger than the typical home in the postcode (47 m² median across 20 EPCs). On the market in December 2011 and unlisted since — roughly 14 years.