Flat 3, 31 Ermine Street, Huntingdon, PE29 3EX

Flat 3 is a detached house in Huntingdon (PE29 3EX). It has a recorded floor area of 27 m² (around 287 sq ft), construction records dating it to before 1900 and council tax band A. At 27 m² this is the smallest unit on EPC record across the building (27–47 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (49 versus a best of 70). The latest certificate (February 2009) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 63). Main heating runs on electricity. The latest certificate is from February 2009, so improvements made since then won't be reflected.

At 27 m² it sits well below the postcode median (72 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 82% of similar EPCs). On the market in January 2018 and unlisted since — roughly 8 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2018, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £115,000 is 27.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£313/sq ft) was about 124.8% above the typical sold price in the postcode.