5a, Bourne Vale, Plaxtol, Sevenoaks, TN15 0QT

5a is a semi-detached house in Plaxtol, Sevenoaks, Sevenoaks (TN15 0QT). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (June 2020) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in December 2009 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good. The recommended improvements would push it to D (score 63). Main heating runs on lpg. At 52 m² this is the 4th smallest of 17 units on EPC record in the building, where floor areas span 47–170 m². The building's EPC ratings span E to C, with this unit at the bottom.

Held since May 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 52 m² it sits well below the postcode median (76 m² across 16 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £568,000 is 38.5% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£733/sq ft) was about 228.3% above the typical sold price in the postcode.