12 Wellington Close, Walton On Thames, KT12 1AX

12 Wellington Close is a two-bedroom semi-detached house in Walton On Thames (KT12 1AX). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2015) shows an F (score 35), near the bottom of the EPC scale. When first surveyed in July 2012 the rating was G, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to E (score 46). Main heating runs on electricity. The latest certificate is from June 2015, so improvements made since then won't be reflected. At 77 m² this is the 12th smallest of 20 units on EPC record in the building, where floor areas span 56–84 m². The building's EPC ratings span F to B, with this unit at the bottom. On EPC score it ranks last in the building (35 versus a best of 84).

It hasn't traded since November 2001, a hold of 25 years that's notably long for the area. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2001, sale prices on this property compounded at 23.7% per year. Today's modelled estimate of £289,000 sits 136.9% above the 2001 sale of £122,000. On a £-per-square-foot basis, the last sale (£147/sq ft) was about 17.9% below the postcode norm.