12 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
About 12 Blaen Y Cwm Terrace
12 Blaen Y Cwm Terrace is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5ND). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2018) shows a C (score 71). The recommended improvements would push it to B (score 88).
Across 2019–2020, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £120,000 sits 126.4% above the 2020 sale of £53,000. On a £-per-square-foot basis, the last sale (£67/sq ft) was about 35.4% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold October 2020 for £53,000.
Know exactly what you're buying at 12 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
Energy performance
EPC Rating
Planning history
12 Blaen Y Cwm Terrace has 2 separate extension applications on the council record.
- Oct 2004
- Oct 2004
We flagged 1 thing worth checking at 12 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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£120,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.7% per year over 2 years.
£53,000
Growth on file: 10.7% per year over 2 years.
Sales timeline
21 October 2020Most recent
£53,000
+17.8%over 1 year15 March 2019
£45,000
Median price across the last 5 sales in CF42 5ND: £70,000 (2025–2024).
Nearby sales in CF42 5ND
6 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Jul 2025
£70,00042 Blaen Y Cwm Terrace, Treherbert, Treorchy, CF42 5ND
Sold Jul 2025
£68,00016 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
£111,500
Everything we know about 12 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 epc rating, 12 Blaen Y Cwm Terrace stands well clear of the street.
Price per m²
£726
Street avg £820
Floor Area
73 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.4 t/year
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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.