18 Petersfield Mansions, Petersfield, Cambridge, CB1 1BB

18 Petersfield Mansions is a one-bedroom mid-terrace house in Cambridge (CB1 1BB). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1991-1995 and council tax band D. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. At 42 m² this is the 6th 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. The latest certificate (September 2022) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2011. Between certificates, hot-water efficiency went from Very Poor to Average. Main heating runs on electricity.

Sale prices here have outpaced Cambridge HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £331,000 is 32.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£553/sq ft) was about 139% above the typical sold price in the postcode. Last sold in February 2014, so it's been off the market for around 12 years. Across the public record there are 4 sales, relatively high churn for a single property. At 42 m² it's 27.3% smaller than the typical home in the postcode (58 m² median across 68 EPCs).