Castle Buildings, Apartment 410, 32 Castle Street, Swansea, SA1 1JH

Castle Buildings is a mid-terrace house in Swansea (SA1 1JH). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (July 2021) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (October 2010); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and lighting dropped from Very Good to Poor. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 37 m² this is the 3rd smallest of 29 units on EPC record in Castle Buildings, where floor areas span 36–80 m². The building's EPC ratings span E to B across 29 units on file.

Held since September 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 37 m² it's 27.5% smaller than the typical home in the postcode (51 m² median across 28 EPCs).