17a, Commercial Street, Abergwynfi, Port Talbot, SA13 3YH

17a is an end-of-terrace house in Abergwynfi, Port Talbot, Port Talbot (SA13 3YH). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2025) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in January 2015 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 57 m² this is the 2nd smallest of 18 units on EPC record in the building, where floor areas span 56–95 m². The building's EPC ratings span E to C across 18 units on file.

Today's modelled estimate of £123,000 sits 156.3% above the 2023 sale of £48,000. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 33% above the typical sold price in the postcode. At 57 m² it sits well below the postcode median (83 m² across 17 EPCs), making it one of the more compact homes locally. Sold August 2023 for £48,000.