4a, Market Street, Plymouth, PL1 3PQ

4a is a two-bedroom detached house in Plymouth (PL1 3PQ). It has a recorded floor area of 36 m² (around 393 sq ft), construction records dating it to 2003-2006 and council tax band A. At 36 m² this is the smallest unit on EPC record across the building (36–140 m²). The building's EPC ratings span C to B, with this unit at the top. On EPC score it ranks first in the building (85 versus a worst of 76). The latest certificate (February 2011) returns a high B (score 85), putting the home a stone's throw from an A rating. The latest certificate is from February 2011, so improvements made since then won't be reflected.

Untraded for 21 years, with the last transfer in December 2005. At 36 m² it sits well below the postcode median (70 m² across 8 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £171,000 is 28.6% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 27.4% above the typical sold price in the postcode.