4c Dolphin House, Sutton Wharf, Plymouth, PL4 0BL

4c Dolphin House is a one-bedroom mid-terrace house in Plymouth (PL4 0BL). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1996-2002. The latest certificate (May 2023) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since April 2013. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. Main heating runs on electricity. At 55 m² this is the 7th 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, with this unit at the top. On EPC score it ranks first in the building (82 versus a worst of 43). The property has solar panels on record, all of which lower running costs and tend to lift resale appeal.

At 55 m² it's 20.3% smaller than the typical home in the postcode (69 m² median across 23 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 2003–2018, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£203/sq ft) was about 18.3% above the typical sold price in the postcode. 8 years since the last transfer (August 2018).