1 Bryn Hwylfa, Clynnog Road, Penygroes, Caernarfon, LL54 6PB

1 Bryn Hwylfa is a semi-detached house in Penygroes, Caernarfon, Caernarfon (LL54 6PB). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 2003-2006 and council tax band A. At 63 m² this is the largest unit on EPC record across the building (38–63 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2017) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 81). Main heating runs on oil.

Untraded for 24 years, with the last transfer in November 2001. Sale prices here have outpaced England HPI: 105% per year against 0% for the wider region. Today's modelled estimate of £144,000 sits 220.4% above the 2001 sale of £44,950. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 62% below the postcode norm. At 63 m² it sits well below the postcode median (107 m² across 4 EPCs), making it one of the more compact homes locally. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.