Flat 3, 9 Bank Street, St Columb, TR9 6AT

Flat 3 is a two-bedroom detached house in St Columb (TR9 6AT). It has a recorded floor area of 90 m² (around 967 sq ft), construction records dating it to before 1900 and council tax band A. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 90 m² this is the largest unit on EPC record across the building (46–90 m²). The building's EPC ratings span G to D, with this unit at the bottom. On EPC score it ranks last in the building (15 versus a best of 61). The latest certificate (February 2010) shows a G (score 15), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 47), a 2-band jump. Main heating runs on electricity. The latest certificate is from February 2010, so improvements made since then won't be reflected.

Untraded for 23 years, with the last transfer in July 2003. Across the public record there are 4 sales, relatively high churn for a single property. At 90 m² the property is well over the postcode median (63 m² across 12 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2003, sale prices on this property compounded at 20.3% per year. Today's modelled estimate of £127,000 sits 62.8% above the 2003 sale of £78,000. On a £-per-square-foot basis, the last sale (£81/sq ft) was about 38% below the postcode norm.