11 Cogan Chambers, Exchange Court, Hull, HU1 1DB

11 Cogan Chambers is a mid-terrace house in Hull (HU1 1DB). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (June 2020) shows an F (score 21), near the bottom of the EPC scale. Earlier certificates rated it D (January 2010); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Very Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to D (score 58), a 2-band jump. Main heating runs on electricity. At 30 m² this is the 7th smallest of 11 units on EPC record in the building, where floor areas span 24–34 m². The building's EPC ratings span G to C across 11 units on file.

Untraded for 21 years, with the last transfer in December 2005. Across 2003–2005, sale prices on this property compounded at 9% per year. Today's modelled estimate of £112,000 sits 51.4% above the 2005 sale of £74,000. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 26.7% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).