35 Royal Sovereign Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FH

35 Royal Sovereign Apartments is a two-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FH). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 2007 onwards and council tax band D. At 61 m² this is the 27th smallest of 32 units on EPC record in the building, where floor areas span 36–80 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (56 versus a best of 83). The latest certificate (February 2020) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 76). Main heating runs on electricity.

At 61 m² the property is well over the postcode median (38 m² across 31 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2009–2024, sale prices on this property compounded at -1.9% per year. Today's modelled estimate of £137,000 is 31.7% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£158/sq ft) was about 28.2% below the postcode norm. Last sale on file: £104,000 in June 2024.