Alderman House, Flat 1, 181 Spring Grove Road, Isleworth, TW7 4BA

Alderman House is a semi-detached house in Isleworth (TW7 4BA). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 2007-2011 and council tax band E. At 67 m² this is the 2nd smallest of 5 units on EPC record in Alderman House, where floor areas span 65–117 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (June 2023) shows a C (score 72). When first surveyed in April 2013 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good. Main heating runs on electricity.

It hasn't traded since February 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Today's modelled estimate of £341,000 is 22.9% above the 2008 sale price.