5a, High Street, Biggleswade, SG18 0JE

5a is a one-bedroom mid-terrace house in Biggleswade (SG18 0JE). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (April 2020) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in March 2011 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Very Good, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity. At 43 m² this is the 2nd smallest of 7 units on EPC record in the building, where floor areas span 35–109 m². The building's EPC ratings span F to C across 7 units on file.

Sale prices here have outpaced England HPI: 5% per year against 0% for the wider region. Today's modelled estimate of £139,000 is 15.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£259/sq ft) was about 34.7% above the typical sold price in the postcode. Most recent transfer: August 2021 at £120,000. Across the public record there are 5 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. At 43 m² it's 17.3% smaller than the typical home in the postcode (52 m² median across 6 EPCs).