15 Wallingford End, Little Billing, Northampton, NN3 9HQ

15 Wallingford End is a one-bedroom end-of-terrace house in Little Billing, Northampton, Northampton (NN3 9HQ). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (March 2019) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2009. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 89), a 2-band jump. Main heating runs on electricity.

It hasn't traded since October 2002, a hold of 24 years that's notably long for the area. Across 2000–2002, sale prices on this property compounded at 16.5% per year. Today's modelled estimate of £137,000 sits 166% above the 2002 sale of £51,500. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 21.7% below the postcode norm. At 39 m² it's 19% smaller than the typical home in the postcode (48 m² median across 12 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.