40a, Wollaston Road, Irchester, Wellingborough, NN29 7DE

40a is a detached house in Irchester, Wellingborough, Wellingborough (NN29 7DE). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1930-1949. At 48 m² this is the smallest unit on EPC record across the building (48–174 m²). The building's EPC ratings span E to B across 16 units on file. The latest certificate (January 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72).

Untraded for 30 years, with the last transfer in August 1996. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £136,000 sits 1411.1% above the 1996 sale of £9,000. On a £-per-square-foot basis, the last sale (£17/sq ft) was about 91% below the postcode norm. At 48 m² it sits well below the postcode median (94 m² across 15 EPCs), making it one of the more compact homes locally.