Argyle House, Flat 16, 1 Dee Road, Richmond, TW9 2JN

Argyle House is a semi-detached house in Richmond (TW9 2JN). It has a recorded floor area of 113 m² (around 1216 sq ft). At 113 m² this is the largest unit on EPC record across Argyle House (42–113 m²). The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (August 2017) shows an E (score 53), well below the UK norm with real room to improve. Main heating runs on electricity: electricity, unspecified tariff.

Today's modelled estimate of £655,000 is 12.7% below the 2017 sale of £750,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£617/sq ft) was about 16.2% below the postcode norm. At 113 m² the property is well over the postcode median (54 m² across 29 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in December 2017 and unlisted since — roughly 9 years.