73 Balfour Close, Northampton, NN2 6LL

73 Balfour Close is an end-of-terrace house in Northampton (NN2 6LL). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1996-2002 and council tax band B. At 41 m² this is the 3rd smallest of 77 units on EPC record in the building, where floor areas span 40–73 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (November 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since August 2011. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average.

It changed hands recently, sold December 2025 for £120,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2005–2025, sale prices on this property compounded at -0.6% per year. Today's modelled estimate of £135,000 is 12.5% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 102.5% above the typical sold price in the postcode. At 41 m² it's 26.8% smaller than the typical home in the postcode (56 m² median across 76 EPCs).