15 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY

15 Gwern Hafren is a two-bedroom detached house in Cardiff (CF11 9EY). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 2007-2011 and council tax band F. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (September 2021) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since March 2010. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 88).

At 93 m² the property is well over the postcode median (49 m² across 14 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Sold March 2022 for £405,000. Across the public record there are 5 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 2009–2022, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£405/sq ft) was about 31.5% above the typical sold price in the postcode.