9a, High Street, Waltham, Grimsby, DN37 0LJ

9a is a detached house in Waltham, Grimsby, Grimsby (DN37 0LJ). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2017) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). At 66 m² this is the 12th smallest of 15 units on EPC record in the building, where floor areas span 34–117 m². The building's EPC ratings span G to C across 15 units on file.

It hasn't traded since April 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 66 m² the property is well over the postcode median (51 m² across 14 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £151,000 sits 115.7% above the 1997 sale of £69,998. On a £-per-square-foot basis, the last sale (£99/sq ft) was about 41.8% below the postcode norm.