Flat 8, 51 Acklam Road, Middlesbrough, TS5 5HA

Flat 8 is a mid-terrace house in Middlesbrough (TS5 5HA). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 1900-1929. At 49 m² this is the smallest unit on EPC record across the building (49–64 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2022) shows a C (score 77), near the top of the C band. When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Poor to Very Poor.

Untraded for 22 years, with the last transfer in March 2004. Across 1997–2004, sale prices on this property compounded at 14.5% per year. Today's modelled estimate of £121,000 sits 232.4% above the 2004 sale of £36,400. On a £-per-square-foot basis, the last sale (£69/sq ft) was about 27.3% above the typical sold price in the postcode. At 49 m² it's 21% smaller than the typical home in the postcode (62 m² median across 5 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).