Flat 2, 20 Botteville Road, Birmingham, B27 7YD

Flat 2 is a semi-detached house in Birmingham (B27 7YD). It has a recorded floor area of 10 m² (around 108 sq ft), construction records dating it to 1900-1929 and council tax band A. At 10 m² this is the smallest unit on EPC record across the building (10–44 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (July 2019) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in December 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Very Poor to Good. The recommended improvements would push it to C (score 73).

Held since August 2000 — that's 26 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 £201,000 sits 168% above the 2000 sale of £75,000. On a £-per-square-foot basis, the last sale (£697/sq ft) was about 256% above the typical sold price in the postcode. At 10 m² it sits well below the postcode median (68 m² across 31 EPCs), making it one of the more compact homes locally.