8 Sebastian Mews, Great Gonerby, Grantham, NG31 8PR

8 Sebastian Mews is a one-bedroom mid-terrace house in Great Gonerby, Grantham, Grantham (NG31 8PR). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (October 2025) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2010); the latest reading is one band lower. Between certificates, lighting went from Poor to Good. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 36 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 35–54 m². The building's EPC ratings span E to C across 8 units on file.

Sale prices here have outpaced England HPI: 4.6% per year against 0% for the wider region. Today's modelled estimate of £105,000 is 16.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 42.3% above the typical sold price in the postcode. Sold February 2022 for £90,000. 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 36 m² it's 25% smaller than the typical home in the postcode (48 m² median across 7 EPCs).