10 Colum Road, Cardiff, CF10 3EG

10 Colum Road is a one-bedroom mid-terrace house in Cardiff (CF10 3EG). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (April 2018) shows a D (score 58), a step below the typical UK home. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 30 m² this is the 13th smallest of 53 units on EPC record in the building, where floor areas span 14–184 m². The building's EPC ratings span E to B across 53 units on file. The home occupies a corner plot.

Held since February 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £357,000 sits 75.9% above the 1999 sale of £203,000. On a £-per-square-foot basis, the last sale (£629/sq ft) was about 271.1% above the typical sold price in the postcode. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. At 30 m² it's 23.1% smaller than the typical home in the postcode (39 m² median across 52 EPCs).