11a, Diana Street, Scunthorpe, DN15 6AU

11a is a mid-terrace house in Scunthorpe (DN15 6AU). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in November 2008 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 45 m² this is the 3rd smallest of 50 units on EPC record in the building, where floor areas span 41–133 m². The building's EPC ratings span E to C across 50 units on file.

Untraded for 20 years, with the last transfer in November 2006. Across 2006–2006, sale prices on this property compounded at 25.7% per year. Today's modelled estimate of £106,000 sits 128% above the 2006 sale of £46,500. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 86.8% above the typical sold price in the postcode. At 45 m² it sits well below the postcode median (89 m² across 49 EPCs), making it one of the more compact homes locally.