Flat 3, 21 Baldry Gardens, London, SW16 3DL

Flat 3 is a mid-terrace house in London (SW16 3DL). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band A. At 28 m² this is the smallest unit on EPC record across the building (28–54 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 77). The latest certificate (September 2019) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (August 2009); the latest reading is 2 bands lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on lpg.

Held since December 2005 — that's 21 years off the open market, well above the local norm. Across 1998–2005, sale prices on this property compounded at 15.4% per year. Today's modelled estimate of £200,000 sits 110.5% above the 2005 sale of £95,000. At 28 m² it sits well below the postcode median (48 m² across 63 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).