55b, Grove Road, Norwich, NR1 3RQ

55b is a two-bedroom end-of-terrace house in Norwich (NR1 3RQ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (February 2021) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 89), a 2-band jump.

Untraded for 29 years, with the last transfer in January 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £178,000 sits 423.5% above the 1997 sale of £34,000. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 70.6% below the postcode norm. At 56 m² it's 24.3% smaller than the typical home in the postcode (74 m² median across 41 EPCs).