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

31 Britannia Apartments is a two-bedroom mid-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FG). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 2007-2011 and council tax band D. Tenure is freehold. At 63 m² this is the 28th 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, with this unit at the bottom. The latest certificate (January 2026) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2015); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Very Poor to Average and main heating went from Very Poor to Poor; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

At 63 m² the property is well over the postcode median (39 m² across 33 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 2007–2020, sale prices on this property compounded at -1.7% per year. Today's modelled estimate of £158,000 is 12.9% above the 2020 sale price. Last sale on file: £140,000 in May 2020.