44a, Sandringham Road, Cardiff, CF23 5BJ

44a is an end-of-terrace house in Cardiff (CF23 5BJ). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to before 1900. At 52 m² this is the smallest unit on EPC record across the building (52–147 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (April 2023) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2014. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor.

Across 2011–2018, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £304,000 is 20% below the 2018 sale of £380,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£679/sq ft) was about 230.5% above the typical sold price in the postcode. At 52 m² it sits well below the postcode median (125 m² across 6 EPCs), making it one of the more compact homes locally. On the market in April 2018 and unlisted since — roughly 8 years.