91 Westpole Avenue, Cockfosters, Barnet, EN4 0BA

91 Westpole Avenue is a three-bedroom semi-detached house in Cockfosters, Barnet, Barnet (EN4 0BA). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (January 2019) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. Records show the property has been extended at some point in its history.

Untraded for 17 years, with the last transfer in July 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2001–2009, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £859,000 sits 86.7% above the 2009 sale of £460,000. On a £-per-square-foot basis, the last sale (£382/sq ft) was about 31% below the postcode norm.