Ashton House, Flat 1, 146 Moor Lane, Chessington, KT9 2AR

Ashton House is a two-bedroom semi-detached house in Chessington (KT9 2AR). It has a recorded floor area of 93 m² (around 999 sq ft), construction records dating it to 2003-2006 and council tax band C. At 93 m² this is the largest unit on EPC record across Ashton House (49–93 m²). The building's EPC ratings span C to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 75). The latest certificate (March 2010) returns a B (score 81), comfortably above the UK average. The latest certificate is from March 2010, so improvements made since then won't be reflected.

It hasn't traded since December 2010, a hold of 16 years that's notably long for the area. At 93 m² the property is well over the postcode median (61 m² across 19 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 2006–2010, sale prices on this property compounded at 1% per year. Today's modelled estimate of £334,000 sits 50.5% above the 2010 sale of £222,000. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 18.9% below the postcode norm.