16 Graig Y Ddelw, Blaencwm, Treorchy, CF42 5DN
About 16 Graig Y Ddelw
16 Graig Y Ddelw is a mid-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5DN). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2025) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it B (March 2013); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 86), a 2-band jump.
Know exactly what you're buying at 16 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Solar PV panels (50 kWp) installed
More low energy lighting installed
Planning history
16 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 16 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
16 Graig Y Ddelw has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£108,000
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 16 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
Floor Area for 16 Graig Y Ddelw lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 63 (D)
Floor Area
66 m²
Street avg 83 m²
CO₂ Emissions
3.7 t/year
Street avg 4.7 t/year
Habitable Rooms
4 rooms
Street avg 5 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.