Aberdwyafon, Arthog, LL39 1BQ
About Aberdwyafon
Aberdwyafon is a detached house in Arthog (LL39 1BQ). It has a recorded floor area of 112 m² (around 1206 sq ft) and construction records dating it to before 1900. The latest certificate (October 2022) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in July 2014 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to A (score 98), a 4-band jump. Main heating runs on electricity.
Across 2001–2023, sale prices on this property compounded at 5% per year. Today's modelled estimate of £384,000 is 11.7% below the 2023 sale of £435,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£361/sq ft) was about 217.5% above the typical sold price in the postcode. Sold March 2023 for £435,000. One historical planning record sits against the property in 2017.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Aberdwyafon's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
- Mar 2017RenovationFullIn report
Installation of two rooflights
- Documents
- 6 docs on file
- Reference
- NP5/52/378
What's in Aberdwyafon, Arthog, LL39 1BQ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on Aberdwyafon was the highest on Land Registry record across the postcode.
£384,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 22 years.
£435,000
Growth on file: 5.0% per year over 22 years.
Sales timeline
3 March 2023Most recent
£435,000
+59.6%over 6 years5 May 2016
£272,500
+81.7%over 15 years19 April 2001
£150,000
Median price across the last 5 sales in LL39 1BQ: £219,950 (2025–2021).
Everything we know about Aberdwyafon, 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 the street
Aberdwyafon outperforms the street on price per m² by a wide margin.
Price per m²
£3,884
Street avg £1,956
Floor Area
112 m²
Street avg 119 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
12.0 t/year
Street avg 11.5 t/year
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
0.3 km
Morfa Mawddach Rail Station — railway station.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.