31 Marlborough Road, Cardiff, CF23 5BT

31 Marlborough Road is an end-of-terrace house in Cardiff (CF23 5BT). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, lighting went from Poor to Good and main heating went from Poor to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. Main heating runs on electricity. At 43 m² this is the 28th smallest of 52 units on EPC record in the building, where floor areas span 22–235 m². The building's EPC ratings span E to C across 52 units on file.

Across 1995–2017, sale prices on this property compounded at 18.6% per year. Today's modelled estimate of £161,000 is 92.1% below the 2017 sale of £2,030,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£4,386/sq ft) was about 2342.8% above the typical sold price in the postcode. At 43 m² it's 19.4% larger than the typical home in the postcode (36 m² median across 51 EPCs). 9 years since the last transfer (August 2017).