9 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
About 9 Gwendoline Street
9 Gwendoline Street is an end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BW). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (May 2019) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 75).
Know exactly what you're buying at 9 Gwendoline Street
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
9 Gwendoline Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
9 Gwendoline Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Gwendoline Street
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
9 Gwendoline Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£130,000
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 5BW: £65,500 (2024–2019).
Nearby sales in CF42 5BW
10 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
Sold Jun 2024
£132,50093a, Gwendoline Street, Treherbert, Treorchy, CF42 5BW
Sold Jan 2024
£35,0004 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
Sold Jan 2023
£216,00093 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
Sold Mar 2022
£65,50095 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
Sold Dec 2019
£65,000
Everything we know about 9 Gwendoline Street, 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 Gwendoline Street homes
CO₂ Emissions for 9 Gwendoline Street lags the street by a wide margin.
EPC Rating
56 (D)
Street avg 64 (D)
Floor Area
90 m²
Street avg 93 m²
CO₂ Emissions
6.5 t/year
Street avg 5.1 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
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1 Collins Close, Treherbert
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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
0.1 km
Wyndham Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.