6b Belgrave Gardens, Walter Road, Swansea, SA1 4QF

6b Belgrave Gardens is a one-bedroom mid-terrace house in Swansea (SA1 4QF). It has a recorded floor area of 61 m² (around 657 sq ft) and construction records dating it to before 1900. At 61 m² this is the smallest unit on EPC record across the building (61–285 m²). The building's EPC ratings span F to D across 5 units on file. The latest certificate (March 2022) shows an E (score 39), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2011); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump.

Untraded for 15 years, with the last transfer in February 2011. Today's modelled estimate of £115,000 sits 91.7% above the 2011 sale of £60,000. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 43.6% below the postcode norm. At 61 m² it's 29.1% smaller than the typical home in the postcode (86 m² median across 7 EPCs).