Flat 3, 3 Borthwick Road, Bournemouth, BH1 4ER

Flat 3 is a one-bedroom semi-detached house in Bournemouth (BH1 4ER). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1900-1929 and council tax band A. At 26 m² this is the smallest unit on EPC record across the building (26–190 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 (62 versus a best of 74). The latest certificate (November 2019) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it B (September 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Good to Very Good.

Across 2000–2012, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £115,000 sits 79.7% above the 2012 sale of £64,000. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 91.7% above the typical sold price in the postcode. At 26 m² it sits well below the postcode median (42 m² across 31 EPCs), making it one of the more compact homes locally. 14 years since the last transfer (February 2012).