16a, Cwmphil Road, Lower Cwmtwrch, Swansea, SA9 1DQ

16a is a two-bedroom detached house in Lower Cwmtwrch, Swansea, Swansea (SA9 1DQ). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band A. At 52 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 48–95 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2021) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2009); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Poor. The recommended improvements would push it to C (score 72).

It hasn't traded since December 1995, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £127,000 sits 296.9% above the 1995 sale of £32,000.