42 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
About 42 Blaen Y Cwm Terrace
42 Blaen Y Cwm Terrace is a three-bedroom end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5ND). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2016) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Across 2005–2025, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £123,000 sits 80.9% above the 2025 sale of £68,000. On a £-per-square-foot basis, the last sale (£92/sq ft) was about 83.8% above the typical sold price in the postcode. Most recent transfer was July 2025 at £68,000 — fresh data.
Know exactly what you're buying at 42 Blaen Y Cwm Terrace
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
- Dining roomYes
Outside
- Private gardenSouth-facing
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Mar 2026
EPC Rating
Planning history
42 Blaen Y Cwm Terrace has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 42 Blaen Y Cwm Terrace
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
Price for 42 Blaen Y Cwm Terrace has grown more than fourfold since the 2005 starting point.
£123,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 20 years.
£68,000
Growth on file: 8.9% per year over 20 years.
Sales timeline
3 July 2025Most recent
£68,000
+11.5%over 19 years6 April 2006
£61,000
+408.3%over 1 year9 March 2005
£12,000
Median price across the last 5 sales in CF42 5ND: £77,000 (2025–2024).
Nearby sales in CF42 5ND
6 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Jul 2025
£70,00016 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Dec 2024
£65,00057 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Nov 2024
£77,00027 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Nov 2024
£111,50055 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Sept 2024
£82,500
Everything we know about 42 Blaen Y Cwm Terrace, 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 Blaen Y Cwm Terrace homes
On years held, 42 Blaen Y Cwm Terrace runs well behind the street norm.
Price per m²
£986
Street avg £813
Floor Area
69 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.4 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 Alma Street, Treherbert
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Alban`s — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.