21 Duncan Close, St Mellons, Cardiff, CF3 1NP

21 Duncan Close is a two-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NP). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (December 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since August 2010. Between certificates, lighting went from Poor to Very Good. The recommended improvements would push it to B (score 90).

Most recent transfer: April 2021 at £166,000. Across the public record there are 6 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2002–2021, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £213,000 is 28.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 42.5% above the typical sold price in the postcode. At 56 m² it's 17.6% smaller than the typical home in the postcode (68 m² median across 17 EPCs).