Flat 6, 17 Ashley Road, Walton On Thames, KT12 1JA

Flat 6 is a two-bedroom detached house in Walton On Thames (KT12 1JA). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1983-1990 and council tax band D. At 61 m² this is the smallest 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 (January 2023) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in January 2012 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 71). Main heating runs on electricity.

At 61 m² it sits well below the postcode median (92 m² across 7 EPCs), making it one of the more compact homes locally. Across 2004–2014, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £316,000 is 17% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 34.4% above the typical sold price in the postcode. On the market in December 2014 and unlisted since — roughly 11 years.