21 Maldwyn Street, Cardiff, CF11 9JR

21 Maldwyn Street is a two-bedroom end-of-terrace house in Cardiff (CF11 9JR). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1900-1929 and council tax band C. At 58 m² this is the 5th smallest of 14 units on EPC record in the building, where floor areas span 48–140 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2022) shows a C (score 73). When first surveyed in April 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Good.

Last sold in August 2017, so it's been off the market for around 9 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2017, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £209,000 is 27.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£262/sq ft) was about 53.4% above the typical sold price in the postcode. At 58 m² it's 25.6% smaller than the typical home in the postcode (78 m² median across 13 EPCs).