4 Reresby Court, Heol Glan Rheidol, Cardiff, CF10 5NR

4 Reresby Court is an end-of-terrace house in Cardiff (CF10 5NR). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 2003-2006 and council tax band E. At 68 m² this is the 56th smallest of 68 units on EPC record in the building, where floor areas span 53–85 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (August 2013) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on to be used only when there is no heating/hot. The latest certificate is from August 2013, so improvements made since then won't be reflected.

It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 2005–2013, sale prices on this property compounded at -3.1% per year. Today's modelled estimate of £153,000 is 30.2% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£161/sq ft) was about 18.9% below the postcode norm. On the market in December 2013 and unlisted since — roughly 13 years.