80a, Norton Street, Grantham, NG31 6BY

80a is a one-bedroom mid-terrace house in Grantham (NG31 6BY). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band A. Tenure is freehold. The latest certificate (November 2019) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Average. The recommended improvements would lift it to C (score 71), a 2-band jump. At 46 m² this is the 20th smallest of 59 units on EPC record in the building, where floor areas span 28–121 m². The building's EPC ratings span G to C across 59 units on file.

Across 2004–2022, sale prices here grew 0.1% per year, broadly in step with England's 0% HPI growth. Today's modelled estimate of £108,000 sits 80% above the 2022 sale of £60,000. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 23.3% above the typical sold price in the postcode. At 46 m² it's 27.6% smaller than the typical home in the postcode (64 m² median across 58 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Most recent transfer: December 2022 at £60,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.