20 Spring Lane, Bottisham, Cambridge, CB25 9BL

20 Spring Lane is a three-bedroom end-of-terrace house in Bottisham, Cambridge, Cambridge (CB25 9BL). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2018) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 77).

Held since March 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 £356,000 sits 346.4% above the 1997 sale of £79,750. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 59.8% below the postcode norm.