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Get started2 Cae Mawr is a detached house in Dinas Dinlle, Caernarfon, Caernarfon (LL54 5TW). It has a recorded floor area of 156 m² (around 1679 sq ft) and construction records dating it to 2007-2011. The latest certificate (September 2025) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it C (November 2021); the latest reading is 2 bands lower. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.
At 156 m² the property is well over the postcode median (69 m² across 9 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2012.
Recommended upgrades on file would lift this property by multiple EPC bands.
CAIS MATERION A GADWYD YN EU HOL I GODI TY UN-LLAWR / RESERVED MATTERS APPLICATION TO ERECT A SINGLE STOREY DWELLING
2 Cae Mawr has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£358,000
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.
On floor area, 2 Cae Mawr stands well clear of the street.
EPC Rating
52 (E)
Street avg 41 (E)
Floor Area
156 m²
Street avg 90 m²
CO₂ Emissions
2.0 t/year
Street avg 3.8 t/year
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Dinas Dinlle Caravan Park — bus stop.
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Cavity wall insulation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in LL54 5TW: £240,000 (2024–2023).
Habitable Rooms
6 rooms
Street avg 4 rooms
LL54 5EE