5 De Winter House, Granville Road, Sevenoaks, TN13 1DZ

5 De Winter House is a one-bedroom end-of-terrace house in Sevenoaks (TN13 1DZ). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1983-1990 and council tax band C. At 38 m² this is the 13th smallest of 20 units on EPC record in the building, where floor areas span 33–50 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2019) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Good and main heating went from Average to Good; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77).

Untraded for 20 years, with the last transfer in December 2006. Across the public record there are 4 sales, relatively high churn for a single property. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2006, sale prices on this property compounded at 12.8% per year. Today's modelled estimate of £227,000 sits 51.8% above the 2006 sale of £149,500.