Flat 1, 4 Britannia Road, Great Yarmouth, NR30 2HQ

Flat 1 is a mid-terrace house in Great Yarmouth (NR30 2HQ). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to before 1900 and council tax band A. At 35 m² this is the smallest unit on EPC record across the building (35–39 m²). The building's EPC ratings span E to D, with this unit at the top. The latest certificate (July 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2019. Between certificates, hot-water efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 72).

Held since December 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £144,000 sits 57.4% above the 2002 sale of £91,500. On a £-per-square-foot basis, the last sale (£243/sq ft) was about 42.4% above the typical sold price in the postcode.