11 George Street, Treherbert, Treorchy, CF42 5AH
About 11 George Street
11 George Street is a three-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AH). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2019) shows a C (score 70). When first surveyed in November 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88).
Today's modelled estimate of £114,000 sits 153.3% above the 2013 sale of £45,000. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Last sold in April 2013, so it's been off the market for around 13 years.
Know exactly what you're buying at 11 George 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
- Dining roomYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Planning history
11 George Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 11 George 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
11 George Street valuation sits well clear of the typical sold price in this postcode.
£114,000
Modelled from EPC, postcode comparables.
£45,000
Recorded with HM Land Registry.
Sales timeline
22 April 2013Most recent
£45,000
Median price across the last 5 sales in CF42 5AH: £70,000 (2025–2016).
Nearby sales in CF42 5AH
6 George Street, Treherbert, Treorchy, CF42 5AH
Sold Oct 2025
£100,00016 George Street, Treherbert, Treorchy, CF42 5AH
Sold Feb 2024
£89,95013 George Street, Treherbert, Treorchy, CF42 5AH
Sold Mar 2022
£45,50010 George Street, Treherbert, Treorchy, CF42 5AH
Sold Oct 2019
£70,00015 George Street, Treherbert, Treorchy, CF42 5AH
Sold Nov 2016
£32,000
Everything we know about 11 George 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 George Street homes
On epc rating, 11 George Street stands well clear of the street.
Price per m²
£682
Street avg £883
Floor Area
66 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.0 t/year
Similar properties nearby
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1 Blaen Y Cwm Terrace, Treherbert
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1 Brook Street, Blaenrhondda
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1 Cwrt Yr Ysgol, Treherbert
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1 Abertonllwyd Street, 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
0.0 km
New Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.