25b, North Street, Biddenden, Ashford, TN27 8AG

25b is a semi-detached house in Biddenden, Ashford, Ashford (TN27 8AG). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band C. At 60 m² this is the smallest unit on EPC record across the building (60–162 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (March 2013) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2011); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Average; while wall efficiency dropped from Poor to Very Poor and main heating dropped from Good to Average. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on oil. The latest certificate is from March 2013, so improvements made since then won't be reflected.

Across 2004–2013, sale prices on this property compounded at -1.3% per year. Today's modelled estimate of £224,000 sits 103.6% above the 2013 sale of £110,000. On a £-per-square-foot basis, the last sale (£170/sq ft) was about 26.5% below the postcode norm. At 60 m² it sits well below the postcode median (88 m² across 10 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). On the market in October 2013 and unlisted since — roughly 13 years.