Flat 306, 23 Franciscan Way, Ipswich, IP1 1NA

Flat 306 is a one-bedroom mid-terrace house in Ipswich (IP1 1NA). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1950-1966 and council tax band A. At 28 m² this is the 21st smallest of 50 units on EPC record in the building, where floor areas span 23–53 m². The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include notable views. The latest certificate (January 2019) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2008); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £102,000 sits 90.7% above the 2012 sale of £53,500. On the market in August 2012 and unlisted since — roughly 14 years.