21 Clockhouse Place, Wandsworth, London, SW15 2EL

21 Clockhouse Place is a two-bedroom semi-detached house in Wandsworth, London, London (SW15 2EL). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1983-1990 and council tax band F. At 77 m² this is the 42nd smallest of 45 units on EPC record in the building, where floor areas span 46–162 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (67 versus a best of 82). The latest certificate (January 2022) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76).

It hasn't traded since August 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 77 m² it's 17.6% larger than the typical home in the postcode (66 m² median across 44 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £646,000 sits 296.3% above the 1997 sale of £163,000. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 47.2% below the postcode norm.