17 Britannia Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FG

17 Britannia Apartments is a one-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FG). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (April 2020) shows a C (score 70). The rating has held steady at C across 3 certificates since February 2009. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 83). Main heating runs on electricity. At 46 m² this is the 26th smallest of 34 units on EPC record in the building, where floor areas span 35–71 m². The building's EPC ratings span D to B across 34 units on file.

Held since September 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 46 m² it's 17.9% larger than the typical home in the postcode (39 m² median across 33 EPCs).