64 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
About 64 Gwendoline Street
64 Gwendoline Street is a four-bedroom semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5BP). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (February 2017) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 82), a 4-band jump.
At 109 m² the property is well over the postcode median (79 m² across 22 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £140,000 sits 115.4% above the 2018 sale of £65,000. Last sale on file: £65,000 in November 2018.
Know exactly what you're buying at 64 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
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Energy performance
64 Gwendoline Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
64 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 64 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
64 Gwendoline Street valuation sits well clear of the typical sold price in this postcode.
£140,000
Modelled from EPC, postcode comparables.
£65,000
Recorded with HM Land Registry.
Sales timeline
16 November 2018Most recent
£65,000
Median price across the last 5 sales in CF42 5BP: £79,995 (2025–2023).
Nearby sales in CF42 5BP
68 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold May 2025
£86,50089 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold Oct 2023
£53,00085 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold Aug 2023
£79,99591 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold Aug 2023
£85,00082 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold Feb 2023
£65,000
Everything we know about 64 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
On epc rating, 64 Gwendoline Street runs well behind the street norm.
Price per m²
£596
Street avg £711
Floor Area
109 m²
Street avg 84 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
13.0 t/year
Street avg 5.1 t/year
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1 Cwrt Yr Ysgol, Treherbert
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1 Blaen Y Cwm Terrace, Treherbert
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1 Brook Street, Blaenrhondda
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1 Clyngwyn Terrace, Blaenrhondda
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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
Gwendoline Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.