18 Alphea Close, Merton, London, SW19 2EP

18 Alphea Close is a one-bedroom end-of-terrace house in Merton, London, London (SW19 2EP). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (May 2018) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in June 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 35 m² this is the 3rd smallest of 20 units on EPC record in the building, where floor areas span 34–83 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 (43 versus a best of 80).

Held since March 2004 — that's 22 years off the open market, well above the local norm. Today's modelled estimate of £267,000 sits 100.8% above the 2004 sale of £132,950. At 35 m² it's 28.6% smaller than the typical home in the postcode (49 m² median across 19 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).