105 Silverdale Avenue, Walton On Thames, KT12 1EH

105 Silverdale Avenue is a five-bedroom detached house in Walton On Thames (KT12 1EH). It has a recorded floor area of 336 m² (around 3618 sq ft) and construction records dating it to 1930-1949. The latest certificate (July 2011) shows an F (score 38), near the bottom of the EPC scale. Earlier certificates rated it E (July 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while hot-water efficiency dropped from Good to Poor and lighting dropped from Good to Poor. The recommended improvements would lift it to D (score 65), a 2-band jump. The latest certificate is from July 2011, so improvements made since then won't be reflected. Period features are noted in the property record.

Held since January 1999 — that's 27 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–1999, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £2,146,000 sits 167.4% above the 1999 sale of £802,500. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 48.9% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.