26 Empire House, Mount Stuart Square, Cardiff, CF10 5LR

26 Empire House is a two-bedroom mid-terrace house in Cardiff (CF10 5LR). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to 1900-1929. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 54 m² this is the 7th smallest of 36 units on EPC record in the building, where floor areas span 39–126 m². The building's EPC ratings span F to B across 36 units on file. The latest certificate (December 2023) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2014); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Good; while wall efficiency dropped from Very Good to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

At 54 m² it's 27% smaller than the typical home in the postcode (74 m² median across 35 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last changed hands 12 years ago, in January 2014. Today's modelled estimate of £182,000 is 16.7% above the 2014 sale price.