57a, London Road, Sevenoaks, TN13 1AU

57a is a mid-terrace house in Sevenoaks (TN13 1AU). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2017) shows a C (score 72). The rating has held steady at C across 2 certificates since May 2010. Between certificates, window efficiency went from Poor to Very Good and lighting went from Very Poor to Very Good. At 47 m² this is the 2nd smallest of 13 units on EPC record in the building, where floor areas span 22–123 m². The building's EPC ratings span E to B across 13 units on file.

At 47 m² it sits well below the postcode median (68 m² across 12 EPCs), making it one of the more compact homes locally. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a loft conversion and subdivision, meaningful when judging how the property has evolved. Across 2006–2015, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£608/sq ft) was about 25.7% above the typical sold price in the postcode. On the market in February 2015 and unlisted since — roughly 11 years.