Flat 3, 73 Semilong Road, Northampton, NN2 6DG

Flat 3 is a one-bedroom mid-terrace house in Northampton (NN2 6DG). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1900-1929 and council tax band A. At 33 m² this is the smallest unit on EPC record across the building (33–46 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 59). The latest certificate (June 2022) shows a C (score 71). When first surveyed in April 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. Main heating runs on electricity.

Untraded for 19 years, with the last transfer in December 2006. Today's modelled estimate of £108,000 sits 54.3% above the 2006 sale of £70,000. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 47.4% above the typical sold price in the postcode. At 33 m² it sits well below the postcode median (49 m² across 55 EPCs), making it one of the more compact homes locally.