Flat 4, 33 Lancaster Avenue, Barnet, EN4 0EP

Flat 4 is a one-bedroom semi-detached house in Barnet (EN4 0EP). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band E. At 55 m² this is the smallest unit on EPC record across the building (55–173 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2019) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump.

One planning record on file: tree works approved in 2006. Past consents include tree works, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. At 55 m² it sits well below the postcode median (195 m² across 23 EPCs), making it one of the more compact homes locally. Across 1996–2011, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £449,000 is 49.7% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£507/sq ft) was about 44.4% above the typical sold price in the postcode. 15 years since the last transfer (October 2011).