4 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
About 4 Cwmsaerbren Street
4 Cwmsaerbren Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5HY). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (December 2019) shows a C (score 73). When first surveyed in July 2019 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Good to Very Good. The recommended improvements would push it to B (score 86).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
Know exactly what you're buying at 4 Cwmsaerbren 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
4 Cwmsaerbren Street has 2 separate extension applications on the council record.
- Jul 2013ExtensionFullIn report
Extension: Rear of property
Three storey rear kitchen and bedroom extension.
- Documents
- 6 docs on file
- Reference
- 13/0431/10
- Jul 2013ExtensionFullIn report
Extension: Rear of property
Three storey rear kitchen and bedroom extension.
- Documents
- 7 docs on file
- Reference
- 13/0431/FUL
We flagged 1 thing worth checking at 4 Cwmsaerbren 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
4 Cwmsaerbren 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 5HY: £85,000 (2025–2017).
Nearby sales in CF42 5HY
1 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
Sold Feb 2025
£86,0003 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
Sold Nov 2022
£120,00017 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
Sold Nov 2020
£85,0008 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
Sold Mar 2019
£84,50024 Cwmsaerbren Street, Treherbert, Treorchy, CF42 5HY
Sold Dec 2017
£61,000
Everything we know about 4 Cwmsaerbren 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 Cwmsaerbren Street homes
On habitable rooms, 4 Cwmsaerbren Street stands well clear of the street.
EPC Rating
73 (C)
Street avg 59 (D)
Floor Area
95 m²
Street avg 86 m²
CO₂ Emissions
4.0 t/year
Street avg 5.3 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
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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
Treherbert Rail Station — railway station.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.