9 Belton Close, Northampton, NN4 0FP

9 Belton Close is a one-bedroom semi-detached house in Northampton (NN4 0FP). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1991-1995 and council tax band A. The latest certificate (December 2018) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2008. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Main heating runs on electricity.

Held since May 2004 — that's 22 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2004, sale prices on this property compounded at 14.3% per year. Today's modelled estimate of £166,000 sits 67.7% above the 2004 sale of £99,000. On a £-per-square-foot basis, the last sale (£219/sq ft) was about 65% above the typical sold price in the postcode. At 42 m² it's 20.8% smaller than the typical home in the postcode (53 m² median across 14 EPCs).