Flat 401, 1 Coprolite Street, Ipswich, IP3 0BN

Flat 401 is a one-bedroom mid-terrace house in Ipswich (IP3 0BN). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 2003-2006 and council tax band B. The latest certificate (October 2025) returns a high B (score 87), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since September 2015. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Poor to Very Good and main heating went from Very Poor to Average; while window efficiency dropped from Good to Average. Main heating runs on electricity. At 63 m² this is the 14th smallest of 55 units on EPC record in the building, where floor areas span 36–183 m². The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (87 versus a worst of 63). Other recorded features include a balcony.

Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Across 2004–2016, sale prices on this property compounded at -0.5% per year. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 24.6% below the postcode norm. 11 years since the last transfer (January 2016).