29a, High Street, Sutton, SM1 1DJ

29a is a two-bedroom mid-terrace house in Sutton (SM1 1DJ). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1950-1966 and council tax band C. At 58 m² this is the largest unit on EPC record across the building (17–58 m²). The building's EPC ratings span E to D, with this unit at the top. The latest certificate (September 2019) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 72).

Untraded for 25 years, with the last transfer in December 2000. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 58 m² the property is well over the postcode median (41 m² across 7 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £264,000 sits 277.1% above the 2000 sale of £70,000. On a £-per-square-foot basis, the last sale (£112/sq ft) was about 57% below the postcode norm.