29a, Green Lane, Kettering, NN16 0DA

29a is a two-bedroom mid-terrace house in Kettering (NN16 0DA). It has a recorded floor area of 25 m² (around 269 sq ft), construction records dating it to 1930-1949 and council tax band A. At 25 m² this is the smallest unit on EPC record across the building (25–243 m²). The building's EPC ratings span F to C across 42 units on file. Other recorded features include a self-contained annexe. Period features are noted in the property record. The latest certificate (July 2017) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.

It hasn't traded since February 2001, a hold of 25 years that's notably long for the area. 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 £120,000 sits 370.6% above the 2001 sale of £25,500. On a £-per-square-foot basis, the last sale (£95/sq ft) was about 31.6% below the postcode norm. At 25 m² it sits well below the postcode median (79 m² across 41 EPCs), making it one of the more compact homes locally.