12 Dumfries Street, Treherbert, Treorchy, CF42 5PL
About 12 Dumfries Street
12 Dumfries Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5PL). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2023) shows a C (score 75), near the top of the C band. When first surveyed in August 2022 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 88).
Across 2004–2022, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £121,000 sits 59.2% above the 2022 sale of £76,000. On a £-per-square-foot basis, the last sale (£104/sq ft) was about 29.8% above the typical sold price in the postcode. At 68 m² it's 26.1% smaller than the typical home in the postcode (92 m² median across 17 EPCs). Last sale on file: £76,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 12 Dumfries 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
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
12 Dumfries Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Dumfries 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
12 Dumfries Street has more than doubled in price since the earliest registered sale in 2004.
£121,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 19 years.
£76,000
Growth on file: 4.1% per year over 19 years.
Sales timeline
20 October 2022Most recent
£76,000
+111.1%over 18 years30 March 2004
£36,000
Median price across the last 5 sales in CF42 5PL: £95,000 (2023–2019).
Nearby sales in CF42 5PL
4 Dumfries Street, Treherbert, Treorchy, CF42 5PL
Sold Aug 2023
£130,0007 Dumfries Street, Treherbert, Treorchy, CF42 5PL
Sold May 2022
£123,00025 Dumfries Street, Treherbert, Treorchy, CF42 5PL
Sold Sept 2021
£95,00017 Dumfries Street, Treherbert, Treorchy, CF42 5PL
Sold Apr 2021
£45,00011 Dumfries Street, Treherbert, Treorchy, CF42 5PL
Sold May 2019
£84,995
Everything we know about 12 Dumfries 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 Dumfries Street homes
Floor Area for 12 Dumfries Street lags the street by a wide margin.
Price per m²
£1,118
Street avg £900
Floor Area
68 m²
Street avg 98 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.8 t/year
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1 Alma 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
0.1 km
Dunraven Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.