4 Coed Bonwm, Corwen, LL21 9EN
About 4 Coed Bonwm
4 Coed Bonwm is a semi-detached house in Corwen (LL21 9EN). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2023) shows an F (score 35), near the bottom of the EPC scale. Earlier certificates rated it E (December 2012); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to C (score 73), a 3-band jump. Main heating runs on oil.
At 117 m² it's 17% larger than the typical home in the postcode (100 m² median across 3 EPCs). Across 2002–2014, sale prices on this property compounded at 8% per year. Today's modelled estimate of £221,000 is 47.3% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 35.7% below the postcode norm. On the market in October 2014 and unlisted since — roughly 12 years.
Know exactly what you're buying at 4 Coed Bonwm
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
4 Coed Bonwm's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
4 Coed Bonwm has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
4 Coed Bonwm has more than doubled in price since the earliest registered sale in 2002.
£221,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 12 years.
£150,000
Growth on file: 8.0% per year over 12 years.
Sales timeline
9 October 2014Most recent
£150,000
+158.6%over 12 years5 June 2002
£58,000
Median price across the last 4 sales in LL21 9EN: £225,250 (2023–1996).
Everything we know about 4 Coed Bonwm, 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 Coed Bonwm homes
On epc rating, 4 Coed Bonwm runs well behind the street norm.
Price per m²
£1,282
Street avg £1,848
Floor Area
117 m²
Street avg 111 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 6.7 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Bonwm Cottage — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.