154 155, Apartment 15, St Helens Road, Swansea, SA1 4DJ

154 155 is a mid-terrace house in Swansea (SA1 4DJ). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 2003-2006. At 49 m² this is the largest unit on EPC record across 154 155 (31–49 m²). The building's EPC ratings span E to B across 27 units on file. The latest certificate (January 2019) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Held since March 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 49 m² it's 15.9% larger than the typical home in the postcode (42 m² median across 26 EPCs).