9 Ocean Crescent, Maritime Quarter, Swansea, SA1 1YZ

9 Ocean Crescent is a mid-terrace house in Maritime Quarter, Swansea, Swansea (SA1 1YZ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1983-1990 and council tax band E. At 46 m² this is the 3rd smallest of 14 units on EPC record in the building, where floor areas span 40–84 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 81). The latest certificate (October 2008) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. The latest certificate is from October 2008, so improvements made since then won't be reflected.

At 46 m² it's 23.9% smaller than the typical home in the postcode (60 m² median across 13 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in April 2017 and unlisted since — roughly 9 years. Across 2000–2017, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £198,000 is 44.9% above the 2017 sale price.