Flat 6, 10 Collingwood Villas, Plymouth, PL1 5NZ

Flat 6 is a mid-terrace house in Plymouth (PL1 5NZ). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to before 1900 and council tax band A. At 41 m² this is the 3rd smallest of 7 units on EPC record in the building, where floor areas span 37–60 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 (61 versus a best of 75). The latest certificate (August 2016) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it B (May 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor 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 74).

Untraded for 17 years, with the last transfer in May 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £119,000 is 13.3% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 86.9% above the typical sold price in the postcode. At 41 m² it's 26.8% smaller than the typical home in the postcode (56 m² median across 22 EPCs).