Flat 4, 19 Denise Drive, Harborne, Birmingham, B17 0BN

Flat 4 is a semi-detached house in Harborne, Birmingham, Birmingham (B17 0BN). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1967-1975 and council tax band B. At 55 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 51–56 m². The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (November 2013) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2009. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. The latest certificate is from November 2013, so improvements made since then won't be reflected.

Untraded for 25 years, with the last transfer in March 2001. Across 1996–2001, sale prices on this property compounded at 11.7% per year. Today's modelled estimate of £152,000 sits 123.5% above the 2001 sale of £68,000. On a £-per-square-foot basis, the last sale (£115/sq ft) was about 48.8% below the postcode norm. At 55 m² it's 27.2% smaller than the typical home in the postcode (76 m² median across 26 EPCs).