Flat 4, 17 Ashley Road, Walton On Thames, KT12 1JA

Flat 4 is a two-bedroom end-of-terrace house in Walton On Thames (KT12 1JA). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band D. At 66 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 61–102 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (73 versus a worst of 53). The latest certificate (October 2019) shows a C (score 73). The rating has held steady at C across 2 certificates since September 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81).

Last sold in September 2013, so it's been off the market for around 13 years. Across the public record there are 5 sales, relatively high churn for a single property. At 66 m² it's 28.3% smaller than the typical home in the postcode (92 m² median across 7 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Across 1997–2013, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £333,000 is 35.9% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£345/sq ft) was about 15.3% above the typical sold price in the postcode.