Nairn House, Main Road, Aylesby, Grimsby, DN37 7AP

Nairn House is a four-bedroom detached house in Aylesby, Grimsby, Grimsby (DN37 7AP). It has a recorded floor area of 162 m² (around 1744 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2020) shows an F (score 38), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since April 2013. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while main heating dropped from Average to Poor. The recommended improvements would lift it to C (score 80), a 3-band jump. Main heating runs on oil. Other recorded features include attached land beyond the plot.

Untraded for 24 years, with the last transfer in May 2002. At 162 m² the property is well over the postcode median (79 m² across 5 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £358,000 sits 161.3% above the 2002 sale of £137,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 56.4% below the postcode norm.