Topaz Cottage, The Street, Ash, Sevenoaks, TN15 7HB

Topaz Cottage is a four-bedroom semi-detached house in Ash, Sevenoaks, Sevenoaks (TN15 7HB). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (September 2013) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil. The latest certificate is from September 2013, so improvements made since then won't be reflected. Period features are noted in the property record.

One planning record on file: an extension approved in 2017. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. At 105 m² it's 22.2% smaller than the typical home in the postcode (135 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). Across 1996–2014, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £565,000 is 41.3% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£354/sq ft) was about 53.3% above the typical sold price in the postcode. On the market in December 2014 and unlisted since — roughly 12 years.