Excelsior Court, Flat 12, Scarborough Street, Wellingborough, NN9 5FE

Excelsior Court is a one-bedroom semi-detached house in Wellingborough (NN9 5FE). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band A. At 47 m² this is the 5th 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 top. The latest certificate (November 2009) shows a C (score 69), just inside the C band. When first surveyed in July 2009 the rating was D, the property has climbed 1 band since. Between certificates, main heating went from Poor to Average. Main heating runs on electricity. The latest certificate is from November 2009, so improvements made since then won't be reflected.

It hasn't traded since June 2008, a hold of 18 years that's notably long for the area. Across the public record there are 5 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1996–2008, sale prices on this property compounded at 10.3% per year. Today's modelled estimate of £103,000 sits 83.9% above the 2008 sale of £56,000. On a £-per-square-foot basis, the last sale (£111/sq ft) was about 63.1% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).