31 Marlborough Street, Plymouth, PL1 4AE

31 Marlborough Street is a mid-terrace house in Plymouth (PL1 4AE). It has a recorded floor area of 62 m² (around 667 sq ft) and construction records dating it to before 1900. The latest certificate (March 2022) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 72). At 62 m² this is the 18th smallest of 25 units on EPC record in the building, where floor areas span 25–179 m². The building's EPC ratings span E to B across 25 units on file.

Untraded for 24 years, with the last transfer in August 2002. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2002, sale prices on this property compounded at 32.8% per year. Today's modelled estimate of £129,000 sits 134.5% above the 2002 sale of £55,000. On a £-per-square-foot basis, the last sale (£82/sq ft) was about 64.3% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include subdivision, meaningful when judging how the property has evolved. At 62 m² it's 26.5% larger than the typical home in the postcode (49 m² median across 24 EPCs).