Haulwen, Ffridd Y Gog, Corwen, LL21 9YE
About Haulwen
Haulwen is a detached house in Corwen (LL21 9YE). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2025) returns a high B (score 89), putting the home a stone's throw from an A rating. When first surveyed in January 2017 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Good to Very Good and main heating went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to A (score 98). Main heating runs on electricity.
At 60 m² it sits well below the postcode median (137 m² across 11 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode.
Know exactly what you're buying at Haulwen
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Haulwen ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Roof insulation improved
Solar PV panels (50 kWp) installed
Planning history
Haulwen has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Haulwen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£227,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in LL21 9YE: £287,500 (2023–2017).
Nearby sales in LL21 9YE
Everything we know about Haulwen, 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 Ffridd Y Gog homes
Haulwen outperforms the street on epc rating by a wide margin.
EPC Rating
89 (B)
Street avg 62 (D)
Floor Area
60 m²
Street avg 130 m²
CO₂ Emissions
0.4 t/year
Street avg 6.2 t/year
Habitable Rooms
3 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Ty`n-y-llidiart Ind Est — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.