1 2 Tair Eithin, Nebo, Caernarfon, LL54 6ED

1 2 Tair Eithin is a three-bedroom detached house in Nebo, Caernarfon, Caernarfon (LL54 6ED). It has a recorded floor area of 89 m² (around 958 sq ft) and construction records dating it to before 1900. The latest certificate (November 2013) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Average to Poor. The recommended improvements would lift it to B (score 87), a 2-band jump. Main heating runs on oil. The latest certificate is from November 2013, so improvements made since then won't be reflected.

Today's modelled estimate of £265,000 is 47.2% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£188/sq ft) was about 47.1% below the postcode norm. Last sold in January 2012, so it's been off the market for around 14 years. One historical planning record sits against the property in 2015.