Flat 3, 18 Market Square, Westerham, TN16 1AR

Flat 3 is a two-bedroom end-of-terrace house in Westerham (TN16 1AR). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Period features are noted in the property record. At 82 m² this is the largest unit on EPC record across the building (34–82 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 70). The latest certificate (September 2018) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2008. Between certificates, roof efficiency went from Poor to Average and main heating went from Average to Good. The recommended improvements would lift it to C (score 70), a 2-band jump.

Untraded for 22 years, with the last transfer in December 2004. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2004, sale prices on this property compounded at 10.4% per year. Today's modelled estimate of £314,000 sits 84.7% above the 2004 sale of £170,000.