20 Abernethy Quay, Maritime Quarter, Swansea, SA1 1UF

20 Abernethy Quay is a one-bedroom semi-detached house in Maritime Quarter, Swansea, Swansea (SA1 1UF). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (April 2022) shows a C (score 72). When first surveyed in August 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. At 42 m² this is the 4th smallest of 40 units on EPC record in the building, where floor areas span 41–99 m². The building's EPC ratings span D to B across 40 units on file. Other recorded features include a balcony and notable views.

It hasn't traded since February 2006, a hold of 20 years that's notably long for the area. At 42 m² it sits well below the postcode median (60 m² across 39 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 17.7% above the typical sold price in the postcode.