9 Byron Avenue, Southend On Sea, SS2 5HL

9 Byron Avenue is a two-bedroom end-of-terrace house in Southend On Sea (SS2 5HL). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (January 2022) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.

Held since September 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £263,000 sits 102.3% above the 2009 sale of £129,995. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 18.6% below the postcode norm. At 88 m² it's 17.3% larger than the typical home in the postcode (75 m² median across 19 EPCs).