12 Petersfield Mansions, Petersfield, Cambridge, CB1 1BB

12 Petersfield Mansions is a two-bedroom end-of-terrace house in Cambridge (CB1 1BB). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (December 2025) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2011); the latest reading is one band lower. Between certificates, hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Poor and lighting dropped from Very Good to Good. Main heating runs on electricity. At 57 m² this is the 32nd 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. Other recorded features include a balcony.

Held since August 1996 — that's 30 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 £430,000 sits 283.9% above the 1996 sale of £112,000. On a £-per-square-foot basis, the last sale (£183/sq ft) was about 26.2% below the postcode norm.