20 Neptune Square, Ipswich, IP4 1QH

20 Neptune Square is a four-bedroom semi-detached house in Ipswich (IP4 1QH). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (January 2017) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (January 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to C (score 72). Main heating runs on electricity. At 130 m² this is the 56th smallest of 63 units on EPC record in the building, where floor areas span 38–181 m². The building's EPC ratings span E to B across 66 units on file. Other recorded features include a balcony and notable views.

At 130 m² the property is well over the postcode median (75 m² across 62 EPCs), placing it in the larger end of the local stock. Across 2002–2017, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £485,000 is 10.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£314/sq ft) was about 38.3% above the typical sold price in the postcode. 9 years since the last transfer (February 2017).