36 Eyeletter House, Greenwood Road, Northampton, NN5 5EG

36 Eyeletter House is an end-of-terrace house in Northampton (NN5 5EG). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (November 2014) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in June 2013 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Poor to Very Poor. The latest certificate is from November 2014, so improvements made since then won't be reflected. At 46 m² this is the 4th smallest of 45 units on EPC record in the building, where floor areas span 45–71 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (61 versus a best of 82).

Across 2014–2017, sale prices on this property compounded at 158.8% per year. Today's modelled estimate of £115,000 is 90.2% below the 2017 sale of £1,179,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£2,381/sq ft) was about 1079% above the typical sold price in the postcode. Last changed hands 9 years ago, in January 2017.