4 Marshfield Road, Castleton, Cardiff, CF3 2UU

4 Marshfield Road is a one-bedroom semi-detached house in Castleton, Cardiff, Cardiff (CF3 2UU). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to before 1900. The latest certificate (August 2018) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in September 2010 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average. The recommended improvements would lift it to B (score 87), a 3-band jump.

Untraded for 21 years, with the last transfer in November 2005. Across 2003–2005, sale prices on this property compounded at 0.9% per year. Today's modelled estimate of £230,000 sits 91.7% above the 2005 sale of £120,000. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 39.4% above the typical sold price in the postcode. At 40 m² it sits well below the postcode median (153 m² across 22 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 4 is the typical count. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved.