20 Bishops Close, Enfield, EN1 3QJ

20 Bishops Close is a semi-detached house in Enfield (EN1 3QJ). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1983-1990 and council tax band E. At 42 m² this is the smallest unit on EPC record across the building (42–114 m²). The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (44 versus a best of 87). The latest certificate (February 2023) shows an E (score 44), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2012); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on electricity.

Today's modelled estimate of £326,000 is 25.1% below the 2019 sale of £435,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£962/sq ft) was about 171.1% above the typical sold price in the postcode. At 42 m² it sits well below the postcode median (81 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Sold August 2019 for £435,000.