4 Cardwell Walk, Thornaby, Stockton On Tees, TS17 6JY

4 Cardwell Walk is an end-of-terrace house in Thornaby, Stockton-On-Tees, Stockton On Tees (TS17 6JY). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1976-1982 and council tax band A. At 63 m² this is the 14th smallest of 16 units on EPC record in the building, where floor areas span 45–63 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (64 versus a best of 78). The latest certificate (April 2013) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 72). The latest certificate is from April 2013, so improvements made since then won't be reflected.

At 63 m² it's 23.5% larger than the typical home in the postcode (51 m² median across 15 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.