6 Graig Y Ddelw, Blaencwm, Treorchy, CF42 5DN
About 6 Graig Y Ddelw
6 Graig Y Ddelw is a detached house in Blaencwm, Treorchy, Treorchy (CF42 5DN). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2025) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73). At 63 m² this is the 4th smallest of 14 units on EPC record in the building, where floor areas span 60–100 m². The building's EPC ratings span E to C across 14 units on file.
Know exactly what you're buying at 6 Graig Y Ddelw
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Planning history
6 Graig Y Ddelw has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 6 Graig Y Ddelw
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
6 Graig Y Ddelw has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£120,000
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 1 sales in CF42 5DN: £17,010 (2002–2002).
Nearby sales in CF42 5DN
Everything we know about 6 Graig Y Ddelw, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Graig Y Ddelw homes
EPC Rating
65 (D)
Street avg 68 (D)
Floor Area
63 m²
Street avg 63 m²
CO₂ Emissions
3.1 t/year
Street avg 2.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Police Houses — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.