25 Birchfield Road, Northampton, NN1 4RF

25 Birchfield Road is a one-bedroom semi-detached house in Northampton (NN1 4RF). It has a recorded floor area of 26 m² (around 280 sq ft) and construction records dating it to 1900-1929. At 26 m² this is the smallest unit on EPC record across the building (26–224 m²). The building's EPC ratings span F to C across 27 units on file. The latest certificate (August 2024) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2010. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.

At 26 m² it sits well below the postcode median (133 m² across 26 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). On a £-per-square-foot basis, the last sale (£786/sq ft) was about 494% above the typical sold price in the postcode. Last changed hands 14 years ago, in June 2012.