4 Tan Y Pych, Blaenrhondda, Treorchy, CF42 5SW
About 4 Tan Y Pych
4 Tan Y Pych is a semi-detached house in Blaenrhondda, Treorchy, Treorchy (CF42 5SW). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (August 2025) returns an A (score 94), the top energy band on the EPC scale. When first surveyed in August 2020 the rating was D, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Very Poor to Average; while lighting dropped from Very Good to Average.
At 64 m² it's 22.9% smaller than the typical home in the postcode (83 m² median across 21 EPCs).
Know exactly what you're buying at 4 Tan Y Pych
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
High performance glazing installed
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
Planning history
4 Tan Y Pych has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Tan Y Pych
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
4 Tan Y Pych has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
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 3 sales in CF42 5SW: £46,000 (2018–2003).
Everything we know about 4 Tan Y Pych, 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 Tan Y Pych homes
On floor area, 4 Tan Y Pych runs well behind the street norm.
EPC Rating
94 (A)
Street avg 87 (B)
Floor Area
64 m²
Street avg 81 m²
CO₂ Emissions
2.3 t/year
Street avg 2.8 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
Bryn Henllan — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.