17 Bryn Derwen Terrace, Talysarn, Caernarfon, LL54 6AS

17 Bryn Derwen Terrace is a two-bedroom mid-terrace house in Talysarn, Caernarfon, Caernarfon (LL54 6AS). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (November 2021) shows an F (score 26), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since February 2020. Between certificates, lighting dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 89), a 4-band jump. Main heating runs on electricity. Other recorded features include notable views.

Sale prices here have outpaced England HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £121,000 sits 112.3% above the 2021 sale of £57,000. On a £-per-square-foot basis, the last sale (£81/sq ft) was about 15.6% below the postcode norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: October 2021 at £57,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.