Flat 1, 21 Elmbourne Road, London, SW17 8JS

Flat 1 is a three-bedroom end-of-terrace house in London (SW17 8JS). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band C. At 86 m² this is the largest unit on EPC record across the building (37–86 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (August 2020) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to C (score 75).

Held since March 1999 — that's 27 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. One planning application is currently pending a decision in 2026. At 86 m² the property is well over the postcode median (54 m² across 60 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £584,000 sits 587.1% above the 1999 sale of £85,000. On a £-per-square-foot basis, the last sale (£92/sq ft) was about 72.4% below the postcode norm.