9 Chiltern Green, Southampton, SO16 4AZ

9 Chiltern Green is a two-bedroom detached house in Southampton (SO16 4AZ). It has a recorded floor area of 60 m² (around 648 sq ft), construction records dating it to 1950-1966 and council tax band A. At 60 m² this is the 2nd smallest of 30 units on EPC record in the building, where floor areas span 58–147 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (56 versus a best of 80). The latest certificate (November 2011) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2010. Between certificates, window efficiency went from Very Poor to Average, lighting went from Poor to Average and main heating went from Average to Good. The latest certificate is from November 2011, so improvements made since then won't be reflected.

It hasn't traded since June 2005, a hold of 21 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2005, sale prices on this property compounded at 17.4% per year. Today's modelled estimate of £135,000 is 39.2% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£150/sq ft) was about 19.8% above the typical sold price in the postcode.