25 Hainton Avenue, Grimsby, DN32 9AS

25 Hainton Avenue is a mid-terrace house in Grimsby (DN32 9AS). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1900-1929 and council tax band A. At 31 m² this is the smallest unit on EPC record across the building (31–108 m²). The building's EPC ratings span F to C across 30 units on file. The latest certificate (June 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2013 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

Held since March 2004 — that's 22 years off the open market, well above the local norm. At 31 m² it sits well below the postcode median (46 m² across 29 EPCs), making it one of the more compact homes locally. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include an extension and subdivision, meaningful when judging how the property has evolved. Across 2001–2004, sale prices on this property compounded at 114% per year. Today's modelled estimate of £117,000 is 30% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 243.5% above the typical sold price in the postcode.