Severn Court, Flat 14, 23 Alwynn Walk, Birmingham, B23 7YY

Severn Court is an end-of-terrace house in Birmingham (B23 7YY). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1967-1975. The latest certificate (November 2019) 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 Poor to Very Good; while wall efficiency dropped from Good to Average and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 55 m² this is the 4th smallest of 18 units on EPC record in Severn Court, where floor areas span 45–60 m². The building's EPC ratings span G to C across 18 units on file.

Held since February 2010 — that's 16 years off the open market, well above the local norm. Today's modelled estimate of £116,000 sits 68.1% above the 2010 sale of £69,000.