The Old Slipper Baths, Apartment 20, 5 Main Road, Far Cotton, Northampton, NN4 8EN

The Old Slipper Baths is an end-of-terrace house in Far Cotton, Northampton, Northampton (NN4 8EN). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1996-2002 and council tax band B. At 50 m² this is the 2nd smallest of 19 units on EPC record in The Old Slipper Baths, where floor areas span 46–65 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (76 versus a best of 86). The latest certificate (November 2021) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (November 2008); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average.

Held since May 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £155,000 is 10.7% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 15.5% above the typical sold price in the postcode.