11 Redwood Close, St Mellons, Cardiff, CF3 0BX

11 Redwood Close is a one-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0BX). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (April 2021) shows a D (score 59), a step below the typical UK home. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, lighting went from Very Poor to Average and main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 26 m² this is the 2nd smallest of 14 units on EPC record in the building, where floor areas span 26–60 m². The building's EPC ratings span F to C across 14 units on file. The home occupies a cul-de-sac position.

At 26 m² it sits well below the postcode median (40 m² across 13 EPCs), making it one of the more compact homes locally. Across 2010–2022, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £101,000 is 48.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£243/sq ft) was about 65.9% above the typical sold price in the postcode. Sold January 2022 for £68,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.