7 Quayside, Merchants Quay, Blackburn, BB1 1EQ

7 Quayside is a one-bedroom mid-terrace house in Blackburn (BB1 1EQ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1991-1995 and council tax band A. At 49 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 36–56 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (63 versus a best of 76). The latest certificate (April 2014) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since May 2012. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). Main heating runs on electricity. The latest certificate is from April 2014, so improvements made since then won't be reflected.

Across 1997–2012, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £108,000 sits 107.7% above the 2012 sale of £52,000. On a £-per-square-foot basis, the last sale (£99/sq ft) was about 42.4% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Last changed hands 14 years ago, in April 2012.