71a, Nelson Street, Shotton, Deeside, CH5 1DH

71a is a semi-detached house in Shotton, Deeside, Deeside (CH5 1DH). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to 1900-1929. At 41 m² this is the smallest unit on EPC record across the building (41–138 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (April 2016) shows a C (score 72). When first surveyed in August 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The latest certificate is from April 2016, so improvements made since then won't be reflected.

Sale prices here have lagged England HPI: -10.6% per year against 0% for the wider region. Today's modelled estimate of £105,000 sits 366.7% above the 2014 sale of £22,500. On a £-per-square-foot basis, the last sale (£51/sq ft) was about 25.6% below the postcode norm. At 41 m² it sits well below the postcode median (94 m² across 24 EPCs), making it one of the more compact homes locally. Last sold in December 2014, so it's been off the market for around 11 years.