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.

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. Across 1996–2014, sale prices on this property compounded at 6.8% per year. 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. At 42 m² it's 27.3% smaller than the typical home in the postcode (58 m² median across 68 EPCs).