5 Glasfryn Terrace, Arthog, LL39 1AZ
About 5 Glasfryn Terrace
5 Glasfryn Terrace is a mid-terrace house in Arthog (LL39 1AZ). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (April 2022) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 77), a 3-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £148,000 is 23.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£145/sq ft) was about 44.4% above the typical sold price in the postcode. Sold July 2022 for £120,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2024.
Know exactly what you're buying at 5 Glasfryn Terrace
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
5 Glasfryn Terrace sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
- Sept 2024RenovationFullIn report
Installation of air-source heat pump within residential curtilage
- Council
- Gwynedd - Gwynedd
- Documents
- 11 docs on file
- Reference
- NP5/52/394
What's in 5 Glasfryn Terrace, Arthog, LL39 1AZ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£148,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
28 July 2022Most recent
£120,000
Median price across the last 5 sales in LL39 1AZ: £120,500 (2021–1998).
Everything we know about 5 Glasfryn Terrace, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Glasfryn Terrace homes
5 Glasfryn Terrace is notably below the street on epc rating.
EPC Rating
31 (F)
Street avg 56 (D)
Floor Area
77 m²
Street avg 83 m²
CO₂ Emissions
11.0 t/year
Street avg 4.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Morfa Mawddach — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.