17 Arran House, Pioneer Way, Watford, WD18 6SU

17 Arran House is a one-bedroom mid-terrace house in Watford (WD18 6SU). It has a recorded floor area of 29 m² (around 312 sq ft), construction records dating it to 1991-1995 and council tax band B. At 29 m² this is the smallest unit on EPC record across the building (29–62 m²). The building's EPC ratings span D to B across 18 units on file. The latest certificate (April 2023) shows a C (score 71). The rating has held steady at C across 2 certificates since October 2008. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Held since April 2010 — that's 16 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. Across 1996–2010, sale prices on this property compounded at 8% per year. Today's modelled estimate of £167,000 sits 59% above the 2010 sale of £105,000. On a £-per-square-foot basis, the last sale (£336/sq ft) was about 71.8% above the typical sold price in the postcode. At 29 m² it's 23.7% smaller than the typical home in the postcode (38 m² median across 17 EPCs).