3 Duncans Cottages, Duncans Yard, Westerham, TN16 1AD

3 Duncans Cottages is a two-bedroom end-of-terrace house in Westerham (TN16 1AD). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to before 1900 and council tax band C. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (July 2018) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.

One planning record on file: new windows approved in 2010. Past consents include new windows, meaningful when judging how the property has evolved. At 69 m² it's 25.5% larger than the typical home in the postcode (55 m² median across 7 EPCs). Across 2010–2014, sale prices on this property compounded at 13% per year. Today's modelled estimate of £352,000 is 32.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 15.4% below the postcode norm. Last changed hands 12 years ago, in July 2014.