6 Gwendoline Street, Treherbert, Treorchy, CF42 5BW
About 6 Gwendoline Street
6 Gwendoline Street is a three-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BW). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2016) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 3 certificates since April 2010. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.
Untraded for 20 years, with the last transfer in May 2006. Today's modelled estimate of £116,000 sits 110.9% above the 2006 sale of £55,000. On a £-per-square-foot basis, the last sale (£62/sq ft) was about 26.3% above the typical sold price in the postcode.
Know exactly what you're buying at 6 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
- Bedrooms3
- Bathrooms1
Energy performance
6 Gwendoline Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Low energy lighting percentage decreased
Heating controls changed
Roof insulation improved
More low energy lighting installed
Planning history
6 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 6 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
6 Gwendoline Street valuation sits well clear of the typical sold price in this postcode.
£116,000
Modelled from EPC, postcode comparables.
£55,000
Recorded with HM Land Registry.
Sales timeline
17 May 2006Most recent
£55,000
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 6 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
EPC Rating for 6 Gwendoline Street lags the street by a wide margin.
Price per m²
£671
Street avg £727
Floor Area
82 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.2 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Crichton Street, Treherbert
CF42 5RA
1 Coldra Road, Treherbert
CF42 5ST
1 David Street, Treherbert
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1 Brynfedwen Close, Treherbert
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1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Chapel Street, Blaenrhondda
CF42 5SE
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.