28 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ

28 St Stephens Mansions is a two-bedroom mid-terrace house in Cardiff (CF10 5LQ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (September 2025) returns a B (score 81), comfortably above the UK average. Main heating runs on electricity. At 60 m² this is the 14th smallest of 64 units on EPC record in the building, where floor areas span 48–99 m². The building's EPC ratings span E to B, with this unit at the top.

Held since December 2004 — that's 22 years off the open market, well above the local norm. At 60 m² it's 17.8% smaller than the typical home in the postcode (73 m² median across 63 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2003–2004, sale prices on this property compounded at 13% per year. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 29.2% above the typical sold price in the postcode.