Flat 1, 46 Derngate, Northampton, NN1 1HS

Flat 1 is a two-bedroom mid-terrace house in Northampton (NN1 1HS). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1996-2002 and council tax band C. At 45 m² this is the smallest unit on EPC record across the building (45–56 m²). The building's EPC ratings span D to B across 6 units on file. The latest certificate (February 2021) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since February 2011. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average. Main heating runs on electricity.

Across 2006–2017, sale prices on this property compounded at 1.2% per year. On a £-per-square-foot basis, the last sale (£293/sq ft) was about 31.3% above the typical sold price in the postcode. 9 years since the last transfer (March 2017). At 45 m² it's 16.7% smaller than the typical home in the postcode (54 m² median across 5 EPCs).