12 Mary Terrace, Coronation, Bishop Auckland, DL14 8SP

12 Mary Terrace is a mid-terrace house in Coronation, Bishop Auckland, Bishop Auckland (DL14 8SP). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2025) shows a C (score 69), just inside the C band. When first surveyed in July 2009 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Good to Very Good and main heating went from Average to Good. The recommended improvements would push it to B (score 83).

Untraded for 18 years, with the last transfer in December 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Across 1995–2007, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £117,000 is 31.5% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 70.9% above the typical sold price in the postcode.