16a Stonehall Flats, Plymouth, PL1 3QZ

16a Stonehall Flats is a two-bedroom mid-terrace house in Plymouth (PL1 3QZ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in June 2014 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 77). At 45 m² this is the 9th smallest of 55 units on EPC record in the building, where floor areas span 38–69 m². The building's EPC ratings span F to C across 55 units on file. Other recorded features include notable views.

Untraded for 18 years, with the last transfer in October 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved. At 45 m² it's 22.4% smaller than the typical home in the postcode (58 m² median across 54 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Across 2004–2008, sale prices on this property compounded at 29.6% per year. Today's modelled estimate of £149,000 is 10.4% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 47.5% above the typical sold price in the postcode.