6a, Castle Street, Stockport, SK3 9AB

6a is a mid-terrace house in Stockport (SK3 9AB). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1967-1975 and council tax band A. At 60 m² this is the 10th smallest of 13 units on EPC record in the building, where floor areas span 26–64 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 (44 versus a best of 74). The latest certificate (March 2019) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 4 certificates since September 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Very Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to D (score 66). Main heating runs on electricity.

Held since August 1999 — that's 27 years off the open market, well above the local norm. 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 £131,000 sits 227.5% above the 1999 sale of £40,000. On a £-per-square-foot basis, the last sale (£62/sq ft) was about 55.2% below the postcode norm. At 60 m² it's 27.7% larger than the typical home in the postcode (47 m² median across 12 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).