15 Lady Jane Court, Cavendish Avenue, Cambridge, CB1 7UW

15 Lady Jane Court is a three-bedroom detached house in Cambridge (CB1 7UW). It has a recorded floor area of 86 m² (around 921 sq ft) and council tax band E. At 86 m² this is the 3rd smallest of 15 units on EPC record in the building, where floor areas span 82–92 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (61 versus a best of 81). The latest certificate (October 2009) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from October 2009, so improvements made since then won't be reflected.

Held since June 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £504,000 sits 358.4% above the 1997 sale of £109,950. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 59.8% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).