4c, St Marks Street, Peterborough, PE1 2TU

4c is a mid-terrace house in Peterborough (PE1 2TU). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2021) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, window efficiency went from Average to Good and main heating went from Poor to Average; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 43 m² this is the 6th smallest of 37 units on EPC record in the building, where floor areas span 33–156 m². The building's EPC ratings span E to B across 37 units on file.

Untraded for 27 years, with the last transfer in December 1998. 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 £116,000 sits 307% above the 1998 sale of £28,500. On a £-per-square-foot basis, the last sale (£62/sq ft) was about 45.8% below the postcode norm. At 43 m² it's 18.9% smaller than the typical home in the postcode (53 m² median across 36 EPCs).