16 Pen Pych Close, Blaenrhondda, Treorchy, CF42 5SN
About 16 Pen Pych Close
16 Pen Pych Close is a semi-detached house in Blaenrhondda, Treorchy, Treorchy (CF42 5SN). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (June 2025) returns an A (score 94), the top energy band on the EPC scale. When first surveyed in November 2013 the rating was C, the property has climbed 2 bands since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average.
Know exactly what you're buying at 16 Pen Pych Close
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
16 Pen Pych Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
16 Pen Pych Close has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 16 Pen Pych Close
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 Pen Pych Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£121,000
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 2 sales in CF42 5SN: £47,500 (2014–2009).
Everything we know about 16 Pen Pych Close, 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 Pen Pych Close homes
16 Pen Pych Close outperforms the street on co₂ emissions by a wide margin.
EPC Rating
94 (A)
Street avg 80 (C)
Floor Area
79 m²
Street avg 79 m²
CO₂ Emissions
1.5 t/year
Street avg 2.8 t/year
Habitable Rooms
5 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.