4 Rhes Gosen, Lon Llainffynnon, Groeslon, Caernarfon, LL54 7TR

4 Rhes Gosen is a two-bedroom mid-terrace house in Groeslon, Caernarfon, Caernarfon (LL54 7TR). It has a recorded floor area of 86 m² (around 928 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2009) shows an F (score 28), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 59), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2009, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in October 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 15.2% per year against 0% for the wider region. Today's modelled estimate of £157,000 sits 59.4% above the 2009 sale of £98,500. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 24.7% above the typical sold price in the postcode.