Avalon House, Flat 6, 152 Moor Lane, Chessington, KT9 2AS

Avalon House is a two-bedroom semi-detached house in Chessington (KT9 2AS). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1950-1966. At 52 m² this is the smallest unit on EPC record across Avalon House (52–55 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (November 2013) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2013. The recommended improvements would push it to C (score 74). The latest certificate is from November 2013, so improvements made since then won't be reflected.

Last changed hands 11 years ago, in May 2015. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2005–2015, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £297,000 is 12.1% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£473/sq ft) was about 32.2% above the typical sold price in the postcode.