21 Mallard Court, Swan Close, Rickmansworth, WD3 1SB

21 Mallard Court is a two-bedroom end-of-terrace house in Rickmansworth (WD3 1SB). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1991-1995 and council tax band D. At 86 m² this is the largest unit on EPC record across the building (48–86 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (June 2020) shows a C (score 75), near the top of the C band.

At 86 m² the property is well over the postcode median (58 m² across 31 EPCs), placing it in the larger end of the local stock. Sold April 2021 for £368,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2021, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £409,000 is 11.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£398/sq ft) was about 71.4% above the typical sold price in the postcode.