Caswell House, Flat 37, The Crescent, Llandaff, Cardiff, CF5 2DL

Caswell House is a two-bedroom mid-terrace house in Llandaff, Cardiff, Cardiff (CF5 2DL). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1983-1990 and council tax band E. At 73 m² this is the 5th smallest of 7 units on EPC record in Caswell House, where floor areas span 35–80 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 66). The latest certificate (September 2020) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Good; while lighting dropped from Good to Poor. The recommended improvements would push it to B (score 82).

On the market in March 2016 and unlisted since — roughly 10 years. Across 1996–2016, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £191,000 is 36.4% above the 2016 sale price.