17 Dyfodwg Street, Treorchy, CF42 6NN
About 17 Dyfodwg Street
17 Dyfodwg Street is a mid-terrace house in Treorchy (CF42 6NN). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (May 2022) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was F, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).
Know exactly what you're buying at 17 Dyfodwg Street
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Ventilation system changed
Planning history
17 Dyfodwg Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
17 Dyfodwg Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£146,000
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 CF42 6NN: £130,000 (2025–2021).
Nearby sales in CF42 6NN
Everything we know about 17 Dyfodwg Street, 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 Dyfodwg Street homes
On habitable rooms, 17 Dyfodwg Street stands well clear of the street.
EPC Rating
63 (D)
Street avg 60 (D)
Floor Area
101 m²
Street avg 95 m²
CO₂ Emissions
5.3 t/year
Street avg 5.6 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Station Cafe — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.