Excelsior Court, Flat 16, Scarborough Street, Wellingborough, NN9 5FE

Excelsior Court is a detached house in Wellingborough (NN9 5FE). It has a recorded floor area of 59 m² (around 635 sq ft) and construction records dating it to 1991-1995. At 59 m² this is the 15th smallest of 16 units on EPC record in Excelsior Court, where floor areas span 44–65 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (February 2014) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity. The latest certificate is from February 2014, so improvements made since then won't be reflected.

Today's modelled estimate of £128,000 sits 124.6% above the 2014 sale of £57,000. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 34.2% above the typical sold price in the postcode. At 59 m² it's 15.1% larger than the typical home in the postcode (51 m² median across 15 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). On the market in August 2014 and unlisted since — roughly 12 years.