16 Dolphin House, Sutton Wharf, Plymouth, PL4 0BL

16 Dolphin House is a mid-terrace house in Plymouth (PL4 0BL). It has a recorded floor area of 100 m² (around 1076 sq ft) and construction records dating it to 1976-1982. The latest certificate (May 2019) shows a C (score 76), near the top of the C band. When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, lighting went from Very Poor to Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 100 m² this is the 22nd smallest of 24 units on EPC record in the building, where floor areas span 33–213 m². The building's EPC ratings span E to B across 24 units on file.

At 100 m² the property is well over the postcode median (68 m² across 23 EPCs), placing it in the larger end of the local stock. Most recent transfer: November 2019 at £218,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2000–2019, sale prices on this property compounded at 2.9% per year. On a £-per-square-foot basis, the last sale (£203/sq ft) was about 18.9% above the typical sold price in the postcode.