20 The Quadrangle, Chelsea Harbour, Hammersmith And Fulham, London, SW10 0UG

20 The Quadrangle is a two-bedroom mid-terrace house in Hammersmith And Fulham, London, London (SW10 0UG). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1983-1990 and council tax band G. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 90 m² this is the 19th smallest of 40 units on EPC record in the building, where floor areas span 58–227 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (March 2023) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79).

It hasn't traded since March 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. Sale prices here have outpaced London HPI: 11.9% per year against 0% for the wider region. Today's modelled estimate of £803,000 is 24.5% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£666/sq ft) was about 38.9% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).