6 Barrett Street, Treorchy, CF42 6LN
About 6 Barrett Street
6 Barrett Street is a mid-terrace house in Treorchy (CF42 6LN). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2025) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2015. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump.
It changed hands recently, sold August 2025 for £120,000. Across 2015–2025, sale prices on this property compounded at 10.5% per year. Today's modelled estimate of £133,000 is 10.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 88.1% above the typical sold price in the postcode.
Know exactly what you're buying at 6 Barrett Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Planning history
6 Barrett Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Sale price has at least doubled since 2015.
£133,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 10 years.
£120,000
Growth on file: 10.5% per year over 10 years.
Sales timeline
7 August 2025Most recent
£120,000
+100.0%over 7 years13 May 2018
£60,000
+36.4%over 2 years6 August 2015
£44,000
Median price across the last 5 sales in CF42 6LN: £80,000 (2024–2022).
Nearby sales in CF42 6LN
Everything we know about 6 Barrett Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
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- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Barrett Street homes
On years held, 6 Barrett Street runs well behind the street norm.
Price per m²
£1,500
Street avg £947
Floor Area
80 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.7 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Park Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.