Flat 4, 80 High Street, Rickmansworth, WD3 1AQ

Flat 4 is a mid-terrace house in Rickmansworth (WD3 1AQ). It has a recorded floor area of 103 m² (around 1109 sq ft) and construction records dating it to 1983-1990. At 103 m² this is the smallest unit on EPC record across the building (103–104 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 61). The latest certificate (August 2025) shows a C (score 80), near the top of the C band. When first surveyed in May 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Average and lighting went from Average to Good. The recommended improvements would push it to B (score 81).

Held since May 2006 — that's 20 years off the open market, well above the local norm. Across 1995–2006, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £397,000 sits 98.5% above the 2006 sale of £200,000. On a £-per-square-foot basis, the last sale (£180/sq ft) was about 84.6% below the postcode norm. At 103 m² it's 25.6% larger than the typical home in the postcode (82 m² median across 8 EPCs).