15 Collingwood Place, Walton On Thames, KT12 1LU

15 Collingwood Place is a semi-detached house in Walton On Thames (KT12 1LU). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1983-1990 and council tax band D. At 64 m² this is the 40th smallest of 51 units on EPC record in the building, where floor areas span 43–73 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (April 2014) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from April 2014, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold February 2020 for £276,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2020, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £309,000 is 12% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£401/sq ft) was about 43.3% above the typical sold price in the postcode.