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Get started23 Trewen is a mid-terrace house in Groeslon, Caernarfon, Caernarfon (LL54 7SY). It has a recorded floor area of 79 m² (around 854 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (January 2011) shows a C (score 70). The latest certificate is from January 2011, so improvements made since then won't be reflected.
23 Trewen's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 26 Jan 2021
23 Trewen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£153,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
EPC Rating
70 (C)
Street avg 67 (D)
Floor Area
79 m²
Street avg 84 m²
CO₂ Emissions
2.8 t/year
Street avg 3.2 t/year
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Bryn Neaudd — bus stop.
Median price across the last 5 sales in LL54 7SY: £120,000 (2025–2006).
Habitable Rooms
5 rooms
Street avg 5 rooms