21 Walnut Close, Laindon, Basildon, SS15 4DS

21 Walnut Close is a detached house in Laindon, Basildon, Basildon (SS15 4DS). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1991-1995 and council tax band C. At 54 m² this is the 7th smallest of 17 units on EPC record in the building, where floor areas span 42–88 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (66 versus a best of 83). The latest certificate (October 2013) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). Main heating runs on electricity. The latest certificate is from October 2013, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: July 2023 at £230,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2004–2023, sale prices on this property compounded at 2% per year. On a £-per-square-foot basis, the last sale (£396/sq ft) was about 37.8% above the typical sold price in the postcode.