43a, Compton Street, Cardiff, CF11 6TJ

43a is a one-bedroom mid-terrace house in Cardiff (CF11 6TJ). It has a recorded floor area of 32 m² (around 344 sq ft) and construction records dating it to 1900-1929. At 32 m² this is the smallest unit on EPC record across the building (32–100 m²). The building's EPC ratings span E to C across 24 units on file. The latest certificate (September 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2013. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 74).

Across 2009–2013, sale prices on this property compounded at -8.5% per year. Today's modelled estimate of £121,000 sits 86.2% above the 2013 sale of £65,000. On a £-per-square-foot basis, the last sale (£189/sq ft) was about 45.9% above the typical sold price in the postcode. At 32 m² it sits well below the postcode median (76 m² across 23 EPCs), making it one of the more compact homes locally. On the market in April 2013 and unlisted since — roughly 13 years.