Flat 12, 86 South Street, Enfield, EN3 4BQ

Flat 12 is a one-bedroom end-of-terrace house in Enfield (EN3 4BQ). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1983-1990 and council tax band B. At 35 m² this is the 3rd smallest of 10 units on EPC record in the building, where floor areas span 32–48 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2010. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

Held since May 2010 — that's 16 years off the open market, well above the local norm. Across 2000–2010, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £184,000 sits 53.3% above the 2010 sale of £120,000. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 30.1% above the typical sold price in the postcode. At 35 m² it's 16.7% smaller than the typical home in the postcode (42 m² median across 9 EPCs).