Flat 4, 21 Henry Bird Way, Northampton, NN4 8GE

Flat 4 is a one-bedroom end-of-terrace house in Northampton (NN4 8GE). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1996-2002 and council tax band B. At 40 m² this is the smallest unit on EPC record across the building (40–93 m²). The building's EPC ratings span C to B, with this unit at the bottom. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (March 2020) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since April 2010. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Most recent transfer: October 2024 at £109,500. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2024, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £122,000 is 11.4% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 48.8% above the typical sold price in the postcode. At 40 m² it's 28.8% smaller than the typical home in the postcode (56 m² median across 69 EPCs).