Flat 1, 20 Derby Road, Cheam, Sutton, SM1 2BL

Flat 1 is a two-bedroom semi-detached house in Cheam, Sutton, Sutton (SM1 2BL). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band B. At 69 m² this is the largest unit on EPC record across the building (26–69 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (62 versus a best of 73). The latest certificate (June 2025) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 73).

Across 1995–2012, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £369,000 sits 50.6% above the 2012 sale of £245,000. At 69 m² it sits well below the postcode median (154 m² across 22 EPCs), making it one of the more compact homes locally. On the market in October 2012 and unlisted since — roughly 14 years. Across the public record there are 5 sales, relatively high churn for a single property.