Acqua House, Flat 4, 41 Melliss Avenue, Richmond, TW9 4BY

Acqua House is an end-of-terrace house in Richmond (TW9 4BY). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (July 2026) shows a C (score 72). When first surveyed in January 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 94 m² this is the 27th smallest of 46 units on EPC record in Acqua House, where floor areas span 55–153 m². The building's EPC ratings span D to B across 46 units on file.

It hasn't traded since August 2003, a hold of 23 years that's notably long for the area. Today's modelled estimate of £712,000 sits 65.8% above the 2003 sale of £429,500. On a £-per-square-foot basis, the last sale (£424/sq ft) was about 18.7% below the postcode norm.