13 The Shamrock, Regatta Quay, Key Street, Ipswich, IP4 1FG

13 The Shamrock is a mid-terrace house in Ipswich (IP4 1FG). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 2007 onwards and council tax band C. At 141 m² this is the largest unit on EPC record across the building (50–141 m²). The building's EPC ratings span E to B across 30 units on file. The latest certificate (October 2019) shows a C (score 73). When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 81). Main heating runs on electricity.

At 141 m² the property is well over the postcode median (78 m² across 29 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £204,000 is 13.3% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 30.9% below the postcode norm. On the market in December 2013 and unlisted since — roughly 12 years.