107 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
About 107 Brook Street
107 Brook Street is a three-bedroom mid-terrace house in Blaenrhondda, Treorchy, Treorchy (CF42 5SF). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (September 2019) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since May 2015. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 88), a 2-band jump.
Untraded for 22 years, with the last transfer in June 2004. Today's modelled estimate of £117,000 sits 680% above the 2004 sale of £15,000. On a £-per-square-foot basis, the last sale (£19/sq ft) was about 69.5% below the postcode norm.
Know exactly what you're buying at 107 Brook 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
- CloakroomYes
Outside
- Private gardenRear
Building
- RefurbishedYes
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 changed
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Planning history
107 Brook Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 107 Brook 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
107 Brook Street's modelled value sits at over four times its earliest registered sale price (2004).
£117,000
Modelled from EPC, postcode comparables.
£15,000
Recorded with HM Land Registry.
Sales timeline
24 June 2004Most recent
£15,000
Median price across the last 5 sales in CF42 5SF: £100,000 (2025–2023).
Nearby sales in CF42 5SF
95 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
Sold Mar 2025
£130,00090 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
Sold Nov 2024
£55,000141 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
Sold Oct 2024
£127,000131 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
Sold Oct 2024
£100,00099 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
Sold Jun 2023
£65,000
Everything we know about 107 Brook 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 Brook Street homes
107 Brook Street is notably below the street on price per m².
Price per m²
£203
Street avg £770
Floor Area
74 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.9 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
Steps — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.