4 Osborne Court, Brookside Road, Breadsall, Derby, DE21 5LF

4 Osborne Court is a one-bedroom detached house in Breadsall, Derby, Derby (DE21 5LF). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to before 1900 and council tax band F. At 49 m² this is the smallest unit on EPC record across the building (49–112 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (28 versus a best of 69). The latest certificate (February 2010) shows an F (score 28), near the bottom of the EPC scale. The recommended improvements would push it to E (score 40). Main heating runs on electricity. The latest certificate is from February 2010, so improvements made since then won't be reflected.

Held since August 2004 — that's 22 years off the open market, well above the local norm. Across 1999–2004, sale prices on this property compounded at 14.7% per year. Today's modelled estimate of £251,000 sits 191.9% above the 2004 sale of £86,000. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 24% below the postcode norm. At 49 m² it sits well below the postcode median (122 m² across 35 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.