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

Excelsior Court is a one-bedroom end-of-terrace house in Wellingborough (NN9 5FE). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (March 2022) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in June 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 46 m² this is the 3rd 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 across 16 units on file.

Held since September 2005 — that's 21 years off the open market, well above the local norm. Across 1998–2005, sale prices on this property compounded at 18.5% per year. Today's modelled estimate of £101,000 is 47.4% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 106.9% above the typical sold price in the postcode.