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

10 Guernsey House is a one-bedroom end-of-terrace house in Watford (WD18 6ST). It has a recorded floor area of 37 m² (around 399 sq ft), construction records dating it to 1996-2002 and council tax band C. At 37 m² this is the 9th smallest of 32 units on EPC record in the building, where floor areas span 29–62 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 82). The latest certificate (April 2009) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). Main heating runs on electricity. The latest certificate is from April 2009, so improvements made since then won't be reflected.

Held since June 2006 — that's 20 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2006, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £191,000 sits 52.8% above the 2006 sale of £125,000. On a £-per-square-foot basis, the last sale (£314/sq ft) was about 58.5% above the typical sold price in the postcode.