9 School Street, Blaencwm, Treorchy, CF42 5DU
About 9 School Street
9 School Street is a mid-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5DU). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2019) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in August 2015 the rating was E, 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 Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80).
Know exactly what you're buying at 9 School 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
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
9 School Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 9 School 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
9 School Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£114,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF42 5DU: £75,000 (2025–2014).
Nearby sales in CF42 5DU
7 School Street, Blaencwm, Treorchy, CF42 5DU
Sold Jan 2025
£127,0004 School Street, Blaencwm, Treorchy, CF42 5DU
Sold Sept 2024
£100,0003 School Street, Blaencwm, Treorchy, CF42 5DU
Sold Oct 2018
£75,0001 School Street, Blaencwm, Treorchy, CF42 5DU
Sold May 2013
£32,00010 School Street, Blaencwm, Treorchy, CF42 5DU
Sold Nov 1996
£25,000
Everything we know about 9 School 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 School Street homes
Habitable Rooms for 9 School Street runs comfortably ahead of the street norm.
EPC Rating
64 (D)
Street avg 60 (D)
Floor Area
70 m²
Street avg 70 m²
CO₂ Emissions
4.4 t/year
Street avg 4.3 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Blaencwm Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.