Warwick House, Flat 19, Westgate Street, Cardiff, CF10 1DH

Warwick House is a one-bedroom mid-terrace house in Cardiff (CF10 1DH). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1930-1949 and council tax band C. At 31 m² this is the 4th smallest of 17 units on EPC record in Warwick House, where floor areas span 26–89 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 78). Other recorded features include notable views. The latest certificate (January 2022) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good. The recommended improvements would lift it to C (score 69), a 2-band jump.

It hasn't traded since May 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 31 m² it sits well below the postcode median (69 m² across 16 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £121,000 sits 360.1% above the 1997 sale of £26,300. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 60.4% below the postcode norm.