20 Charlton Avenue, Hersham, Walton On Thames, KT12 5LE

20 Charlton Avenue is a detached house in Hersham, Walton-On-Thames, Walton On Thames (KT12 5LE). It has a recorded floor area of 257 m² (around 2766 sq ft) and construction records dating it to 1930-1949. The latest certificate (July 2015) shows a D (score 58), a step below the typical UK home. When first surveyed in November 2008 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 78). The latest certificate is from July 2015, so improvements made since then won't be reflected.

At 257 m² the property is well over the postcode median (120 m² across 17 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2008–2016, sale prices on this property compounded at 10.1% per year. Today's modelled estimate of £1,494,000 is 21.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£446/sq ft) was about 17.5% above the typical sold price in the postcode. Last changed hands 10 years ago, in April 2016.