Flat 1, 35 Semilong Road, Northampton, NN2 6BT

Flat 1 is a one-bedroom end-of-terrace house in Northampton (NN2 6BT). It has a recorded floor area of 25 m² (around 269 sq ft) and construction records dating it to 1900-1929. At 25 m² this is the smallest unit on EPC record across the building (25–40 m²). The building's EPC ratings span G to D across 4 units on file. Other recorded features include a basement. The latest certificate (April 2023) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in March 2009 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Main heating runs on electricity.

At 25 m² it sits well below the postcode median (42 m² across 38 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Most recent transfer: April 2021 at £75,000. 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. Across 2003–2021, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £106,000 is 41.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 181.2% above the typical sold price in the postcode. One historical planning record sits against the property in 2002.