20 Chalkstone Close, Welling, DA16 3DJ

20 Chalkstone Close is a one-bedroom semi-detached house in Welling (DA16 3DJ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1991-1995 and council tax band B. At 40 m² this is the smallest unit on EPC record across the building (40–58 m²). The building's EPC ratings span E to B across 39 units on file. The latest certificate (January 2022) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). Main heating runs on electricity.

On the market in November 2016 and unlisted since — roughly 10 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2016, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 94% above the typical sold price in the postcode. At 40 m² it's 17.5% smaller than the typical home in the postcode (49 m² median across 38 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.