15 Washbrook Close, Little Billing, Northampton, NN3 9AP

15 Washbrook Close is a two-bedroom semi-detached house in Little Billing, Northampton, Northampton (NN3 9AP). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (October 2021) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Very Poor to Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump. Other recorded features include a conservatory.

Sold March 2022 for £213,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Across 2002–2022, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £242,000 is 13.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 63.7% above the typical sold price in the postcode. At 67 m² it's 23.9% smaller than the typical home in the postcode (88 m² median across 15 EPCs).