Flat 3, 19 St Marys Close, Stockport, SK1 4BT

Flat 3 is a detached house in Stockport (SK1 4BT). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1991-1995 and council tax band A. At 51 m² this is the smallest unit on EPC record across the building (51–51 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 65). The latest certificate (May 2016) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since March 2016. Between certificates, wall efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Average. The latest certificate is from May 2016, so improvements made since then won't be reflected.

Untraded for 26 years, with the last transfer in July 2000. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £134,000 sits 397.2% above the 2000 sale of £26,950. On a £-per-square-foot basis, the last sale (£49/sq ft) was about 53.5% below the postcode norm.