Flat 3, 134 High Street, Rickmansworth, WD3 1AB

Flat 3 is an end-of-terrace house in Rickmansworth (WD3 1AB). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band C. At 37 m² this is the smallest unit on EPC record across the building (37–69 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (January 2020) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it B (December 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 73).

Across 2003–2021, sale prices on this property compounded at 2.8% per year. On a £-per-square-foot basis, the last sale (£665/sq ft) was about 86.5% above the typical sold price in the postcode. At 37 m² it's 22.1% smaller than the typical home in the postcode (48 m² median across 6 EPCs). Most recent transfer: July 2021 at £265,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.