18 Guernsey House, Pioneer Way, Watford, WD18 6ST

18 Guernsey House is a mid-terrace house in Watford (WD18 6ST). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1991-1995 and council tax band C. At 62 m² this is the largest unit on EPC record across the building (29–62 m²). The building's EPC ratings span E to B across 32 units on file. The latest certificate (April 2015) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 81). Main heating runs on electricity. The latest certificate is from April 2015, so improvements made since then won't be reflected.

Untraded for 27 years, with the last transfer in October 1999. At 62 m² the property is well over the postcode median (39 m² across 31 EPCs), placing it in the larger end of the local stock. Across 1997–1999, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £236,000 sits 232.6% above the 1999 sale of £70,950. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 46.3% below the postcode norm.