1 Eton Street, Grantham, NG31 6HE

1 Eton Street is a one-bedroom mid-terrace house in Grantham (NG31 6HE). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to before 1900 and council tax band A. At 57 m² this is the smallest unit on EPC record across the building (57–122 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (63 versus a worst of 50). The latest certificate (September 2022) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2011. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Good to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 76). Main heating runs on electricity.

Sale prices here have outpaced England HPI: 8.4% per year against 0% for the wider region. Today's modelled estimate of £105,000 sits 72.1% above the 2014 sale of £61,000. On a £-per-square-foot basis, the last sale (£99/sq ft) was about 47.9% above the typical sold price in the postcode. At 57 m² it sits well below the postcode median (91 m² across 6 EPCs), making it one of the more compact homes locally. Last changed hands 12 years ago, in September 2014.