Flat 1, 3 Kingscourt Road, London, SW16 1JA

Flat 1 is a mid-terrace house in London (SW16 1JA). It has a recorded floor area of 20 m² (around 215 sq ft), construction records dating it to 1900-1929 and council tax band B. At 20 m² this is the smallest unit on EPC record across the building (20–163 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (February 2017) shows a C (score 71). When first surveyed in June 2015 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average.

Held since November 1996 — that's 30 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 £234,000 sits 372.3% above the 1996 sale of £49,549. On a £-per-square-foot basis, the last sale (£230/sq ft) was about 41.7% below the postcode norm. At 20 m² it sits well below the postcode median (57 m² across 114 EPCs), making it one of the more compact homes locally.