11 Tanrallt Terrace, Llanllyfni, Caernarfon, LL54 6RR

11 Tanrallt Terrace is a mid-terrace house in Llanllyfni, Caernarfon, Caernarfon (LL54 6RR). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (October 2020) shows an F (score 22), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since June 2009. Between certificates, lighting went from Very Poor to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 3-band jump. Main heating runs on electricity.

It hasn't traded since April 2010, a hold of 16 years that's notably long for the area. Sale prices here have outpaced England HPI: 17.5% per year against 0% for the wider region. Today's modelled estimate of £137,000 is 22.3% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 45.5% above the typical sold price in the postcode. At 59 m² it's 23.4% smaller than the typical home in the postcode (77 m² median across 9 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).