Flat 1, 1 White Lane, Plymouth, PL1 2LP

Flat 1 is an end-of-terrace house in Plymouth (PL1 2LP). It has a recorded floor area of 19 m² (around 205 sq ft), construction records dating it to before 1900 and council tax band A. At 19 m² this is the smallest unit on EPC record across the building (19–58 m²). The building's EPC ratings span G to C across 6 units on file. The latest certificate (September 2020) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in September 2008 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

Across 2002–2011, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £110,000 sits 120% above the 2011 sale of £50,000. At 19 m² it sits well below the postcode median (39 m² across 7 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On the market in September 2011 and unlisted since — roughly 15 years.