100 Weirdale Avenue, Barnet, London, N20 0AH

100 Weirdale Avenue is a mid-terrace house in Barnet, London, London (N20 0AH). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (February 2015) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and main heating went from Poor to Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.

Untraded for 30 years, with the last transfer in March 1996. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £482,000 sits 502.5% above the 1996 sale of £80,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 77.8% below the postcode norm.