21 Clifford Avenue, Richmond Upon Thames, London, SW14 7BT

21 Clifford Avenue is a three-bedroom mid-terrace house in Richmond Upon Thames, London, London (SW14 7BT). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2016) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2008. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Records show the property has been extended at some point in its history.

At 76 m² it sits well below the postcode median (118 m² across 5 EPCs), making it one of the more compact homes locally. Across 1996–2017, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £785,000 is 22.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£782/sq ft) was about 79% above the typical sold price in the postcode. On the market in January 2017 and unlisted since — roughly 9 years.