3a, Harvey Lane, Norwich, NR7 0BG

3a is a detached house in Norwich (NR7 0BG). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1950-1966 and council tax band E. At 127 m² this is the 8th smallest of 12 units on EPC record in the building, where floor areas span 57–409 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 85). The latest certificate (November 2018) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2018); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Average to Good; while lighting dropped from Very Good to Poor. The recommended improvements would push it to D (score 68).

Untraded for 24 years, with the last transfer in October 2002. At 127 m² the property is well over the postcode median (78 m² across 11 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Today's modelled estimate of £448,000 sits 69.1% above the 2002 sale of £264,950. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 16.6% below the postcode norm. 3 planning records sit against the property, 1 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.