17a, Pottergate, Norwich, NR2 1DS

17a is a mid-terrace house in Norwich (NR2 1DS). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (August 2013) shows an F (score 30), near the bottom of the EPC scale. Earlier certificates rated it C (January 2013); the latest reading is 3 bands lower. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to D (score 63), a 2-band jump. Main heating runs on bottled lpg. The latest certificate is from August 2013, so improvements made since then won't be reflected. At 51 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 33–59 m². The building's EPC ratings span F to D, with this unit at the bottom. On EPC score it ranks last in the building (30 versus a best of 65).

At 51 m² the property is well over the postcode median (35 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Today's modelled estimate of £204,000 is 20% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 18.4% above the typical sold price in the postcode. On the market in July 2013 and unlisted since — roughly 13 years.