Wells Crescent, Flat 15, Marconi Plaza, Chelmsford, CM1 1GN

Wells Crescent is a one-bedroom mid-terrace house in Chelmsford (CM1 1GN). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (February 2021) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2013); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 56 m² this is the 32nd smallest of 51 units on EPC record in Wells Crescent, where floor areas span 44–97 m². The building's EPC ratings span E to B across 51 units on file.

Today's modelled estimate of £164,000 is 21.7% below the 2006 sale of £209,495, a rare downward gap that often correlates with deferred maintenance or unfinished works. Held since December 2006 — that's 19 years off the open market, well above the local norm.