Castle Barbican, Flat 1, Fore Street, Plympton, Plymouth, PL7 1YZ

Castle Barbican is a mid-terrace house in Plympton, Plymouth, Plymouth (PL7 1YZ). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (August 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2014. Between certificates, window efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 71). Main heating runs on electricity. At 50 m² this is the 21st smallest of 22 units on EPC record in Castle Barbican, where floor areas span 32–89 m². The building's EPC ratings span E to C across 22 units on file.

At 50 m² it's 28.2% larger than the typical home in the postcode (39 m² median across 21 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs).