3 Avalon Close, Watford, WD25 9TW

3 Avalon Close is a four-bedroom detached house in Watford (WD25 9TW). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (October 2025) returns a high B (score 88), putting the home a stone's throw from an A rating. When first surveyed in October 2008 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Very Good, lighting went from Very Poor to Good and main heating went from Good to Very Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Good to Poor. Main heating runs on electricity.

Held since December 2009 — that's 16 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 162 m² the property is well over the postcode median (113 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 1996–2009, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £795,000 sits 98.8% above the 2009 sale of £400,000. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 16.1% above the typical sold price in the postcode.