Flat 4, 14 Sydenham Road North, Cheltenham, GL52 6EA

Flat 4 is a one-bedroom detached house in Cheltenham (GL52 6EA). It has a recorded floor area of 22 m² (around 233 sq ft) and construction records dating it to before 1900. At 22 m² this is the smallest unit on EPC record across the building (22–65 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (October 2008) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from October 2008, so improvements made since then won't be reflected.

Held since February 2002 — that's 24 years off the open market, well above the local norm. Across 1996–2002, sale prices on this property compounded at 16.7% per year. Today's modelled estimate of £166,000 sits 137.3% above the 2002 sale of £69,950. On a £-per-square-foot basis, the last sale (£300/sq ft) was about 35.1% above the typical sold price in the postcode. At 22 m² it sits well below the postcode median (65 m² across 25 EPCs), making it one of the more compact homes locally.