4 Billinge Avenue, Blackburn, BB2 6SD

4 Billinge Avenue is a seven-bedroom semi-detached house in Blackburn (BB2 6SD). It has a recorded floor area of 460 m² (around 4951 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (October 2013) shows an F (score 23), near the bottom of the EPC scale. The rating has held steady at F across 4 certificates since May 2012. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Very Poor to Poor; while main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 76), a 3-band jump. Main heating runs on to be used only when there is no heating/hot. The latest certificate is from October 2013, so improvements made since then won't be reflected.

At 460 m² the property is well over the postcode median (305 m² across 18 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 7 bedrooms is on the larger side for this postcode, where 4 is the typical count. Today's modelled estimate of £430,000 is 32.3% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 16.8% below the postcode norm. On the market in November 2012 and unlisted since — roughly 14 years. 2 planning records sit against the property, 0 approved, 2 refused.