11 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE

11 Duncombe Court is a two-bedroom mid-terrace house in Staines Upon Thames (TW18 2HE). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1967-1975 and council tax band E. At 70 m² this is the smallest unit on EPC record across the building (70–122 m²). The building's EPC ratings span F to B across 20 units on file. Other recorded features include notable views. The latest certificate (September 2017) shows a C (score 70). When first surveyed in April 2014 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor; while lighting dropped from Good to Average. Main heating runs on electricity.

Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). On a £-per-square-foot basis, the last sale (£408/sq ft) was about 35.7% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years.