20 Dyfodwg Street, Treorchy, CF42 6NN
About 20 Dyfodwg Street
20 Dyfodwg Street is a mid-terrace house in Treorchy (CF42 6NN). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (July 2014) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2011. Between certificates, window efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Average and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £136,000 sits 94.3% above the 2011 sale of £70,000. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 20.1% below the postcode norm. 15 years since the last transfer (September 2011).
Know exactly what you're buying at 20 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Jul 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Planning history
20 Dyfodwg Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
20 Dyfodwg Street valuation sits well clear of the typical sold price in this postcode.
£136,000
Modelled from EPC, postcode comparables.
£70,000
Recorded with HM Land Registry.
Sales timeline
8 September 2011Most recent
£70,000
Median price across the last 5 sales in CF42 6NN: £130,000 (2025–2021).
Nearby sales in CF42 6NN
Everything we know about 20 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 co₂ emissions, 20 Dyfodwg Street stands well clear of the street.
Price per m²
£778
Street avg £1,109
Floor Area
90 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 5.7 t/year
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.