4 Penny Court, Westland Road, Watford, WD17 1QR

4 Penny Court is a detached house in Watford (WD17 1QR). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1983-1990 and council tax band C. At 35 m² this is the smallest unit on EPC record across the building (35–36 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (59 versus a best of 73). The latest certificate (May 2010) shows a D (score 59), a step below the typical UK home. Main heating runs on electricity. The latest certificate is from May 2010, so improvements made since then won't be reflected.

Held since July 2010 — that's 16 years off the open market, well above the local norm. Across 2001–2010, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £213,000 sits 55.5% above the 2010 sale of £137,000. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 23.6% above the typical sold price in the postcode. At 35 m² it sits well below the postcode median (58 m² across 38 EPCs), making it one of the more compact homes locally.