30 Petersfield Mansions, Petersfield, Cambridge, CB1 1BB

30 Petersfield Mansions is a two-bedroom mid-terrace house in Cambridge (CB1 1BB). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (November 2022) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it B (November 2012); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Very Good; while main heating dropped from Average to Very Poor. Main heating runs on electricity. At 69 m² this is the 53rd smallest of 65 units on EPC record in the building, where floor areas span 38–185 m². The building's EPC ratings span E to B across 65 units on file.

It hasn't traded since December 1995, a hold of 30 years that's notably long for the area. 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 £457,000 sits 328.3% above the 1995 sale of £106,700. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 38.1% below the postcode norm. At 69 m² it's 20.1% larger than the typical home in the postcode (57 m² median across 68 EPCs).