3 Henson Avenue, Canvey Island, SS8 8LS

3 Henson Avenue is a four-bedroom detached house in Canvey Island (SS8 8LS). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (December 2016) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2016. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump.

Held since March 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 147 m² the property is well over the postcode median (50 m² across 14 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. Today's modelled estimate of £446,000 sits 73.2% above the 2008 sale of £257,500. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 39.9% below the postcode norm.