68 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
About 68 Gwendoline Street
68 Gwendoline Street is a three-bedroom end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BP). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (May 2020) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in February 2011 the rating was G, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good. The recommended improvements would lift it to B (score 86), a 3-band jump.
A recent sale: £86,500 in May 2025. At 91 m² it's 15.9% larger than the typical home in the postcode (79 m² median across 22 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). Across 2004–2025, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £119,000 is 37.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£88/sq ft) was about 59.4% above the typical sold price in the postcode.
Know exactly what you're buying at 68 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
- CloakroomYes
Outside
- Private gardenRear
Energy performance
68 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
Upgraded to gas central heating
Hot water system upgraded
More low energy lighting installed
Roof insulation improved
More low energy lighting installed
Planning history
68 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 68 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
Latest sale on 68 Gwendoline Street was the highest on Land Registry record across the postcode.
£119,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 21 years.
£86,500
Growth on file: 4.4% per year over 21 years.
Sales timeline
7 May 2025Most recent
£86,500
+147.1%over 20 years8 July 2004
£35,000
Median price across the last 5 sales in CF42 5BP: £76,000 (2023–2023).
Nearby sales in CF42 5BP
89 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
£65,00079 Gwendoline Street, Treherbert, Treorchy, CF42 5BP
Sold Feb 2023
£76,000
Everything we know about 68 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
68 Gwendoline Street is notably below the street on years held.
Price per m²
£951
Street avg £690
Floor Area
91 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.9 t/year
Street avg 5.4 t/year
Similar properties nearby
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1 Blaen Y Cwm Terrace, Treherbert
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1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Bryn Henllan, 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.