23 Petersfield Mansions, Petersfield, Cambridge, CB1 1BB

23 Petersfield Mansions is a two-bedroom end-of-terrace house in Cambridge (CB1 1BB). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (November 2020) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since July 2010. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Poor to Good. Main heating runs on electricity. At 92 m² this is the 60th 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.

Untraded for 16 years, with the last transfer in September 2010. At 92 m² the property is well over the postcode median (57 m² across 68 EPCs), placing it in the larger end of the local stock. Across 1996–2010, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £596,000 sits 77.9% above the 2010 sale of £335,000. On a £-per-square-foot basis, the last sale (£338/sq ft) was about 45.9% above the typical sold price in the postcode.