Flat 1, 17 Ashley Road, Walton On Thames, KT12 1JA

Flat 1 is a two-bedroom detached house in Walton On Thames (KT12 1JA). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1900-1929 and council tax band D. At 102 m² this is the largest unit on EPC record across the building (61–102 m²). The building's EPC ratings span E to C across 4 units on file. The latest certificate (April 2011) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Good; while lighting dropped from Good to Average. The latest certificate is from April 2011, so improvements made since then won't be reflected.

One planning record on file: new windows approved in 2011. Past consents include new windows, meaningful when judging how the property has evolved. Across 2010–2013, sale prices on this property compounded at 15% per year. Today's modelled estimate of £518,000 is 19.4% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 29.2% above the typical sold price in the postcode. 13 years since the last transfer (July 2013).