9 Claire Court, St Martins Drive, Walton On Thames, KT12 3BW

9 Claire Court is a one-bedroom detached house in Walton On Thames (KT12 3BW). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (June 2021) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in August 2011 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Poor to Very Poor and lighting dropped from Average to Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. At 47 m² this is the 11th smallest of 14 units on EPC record in the building, where floor areas span 41–59 m². The building's EPC ratings span F to D across 14 units on file.

Across 2003–2015, sale prices on this property compounded at 3.8% per year. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 33.9% above the typical sold price in the postcode. 11 years since the last transfer (August 2015).