Flat 1, 337 Chiswick High Road, London, W4 4HS

Flat 1 is a two-bedroom mid-terrace house in London (W4 4HS). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1900-1929 and council tax band D. At 56 m² this is the largest unit on EPC record across the building (39–56 m²). The building's EPC ratings span F to C across 4 units on file. Other recorded features include a basement. The latest certificate (October 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74).

Held since February 2011 — that's 15 years off the open market, well above the local norm. Today's modelled estimate of £503,000 sits 62.3% above the 2011 sale of £310,000.