20 Chiltern Road, Wingrave, Aylesbury, HP22 4QQ

20 Chiltern Road is a three-bedroom semi-detached house in Wingrave, Aylesbury, Aylesbury (HP22 4QQ). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2014) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in January 2011 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Poor to Average and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected. Other recorded features include notable views, a conservatory and a loft.

Across 2012–2014, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £372,000 sits 65.3% above the 2014 sale of £225,000. At 94 m² it's 17.5% larger than the typical home in the postcode (80 m² median across 34 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). On the market in April 2014 and unlisted since — roughly 12 years.