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Get started15 Trewen is a mid-terrace house in Groeslon, Caernarfon, Caernarfon (LL54 7SY). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (July 2014) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 23 Jul 2024
15 Trewen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£148,000
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 for 15 Trewen lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 67 (D)
Floor Area
80 m²
Street avg 84 m²
CO₂ Emissions
3.3 t/year
Street avg 3.1 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
LL54 7AE