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

27 Britannia Apartments is a one-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FG). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 2007 onwards and council tax band C. At 41 m² this is the 21st 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 C, with this unit at the top. The latest certificate (April 2019) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since November 2008. Between certificates, lighting went from Very Poor to Poor; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity.

Held since April 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. Across 2007–2009, sale prices on this property compounded at -12.9% per year. Today's modelled estimate of £98,000 is 15.3% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£193/sq ft) was about 17.1% below the postcode norm.