3a, Brook Street, Blaenrhondda, Treorchy, CF42 5SG
About 3a
3a is a detached house in Blaenrhondda, Treorchy, Treorchy (CF42 5SG). It has a recorded floor area of 45 m² (around 480 sq ft) and construction records dating it to before 1900. At 45 m² this is the 2nd smallest of 21 units on EPC record in the building, where floor areas span 37–136 m². The building's EPC ratings span E to B across 21 units on file. The latest certificate (December 2009) shows a C (score 70). The latest certificate is from December 2009, so improvements made since then won't be reflected.
At 45 m² it sits well below the postcode median (81 m² across 20 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs).
Know exactly what you're buying at 3a
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
3a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Dec 2019
EPC Rating
Planning history
3a has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 3a
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
3a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£173,000
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 5SG: £75,000 (2024–2023).
Nearby sales in CF42 5SG
3 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Oct 2024
£114,0001 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Sept 2024
£98,0004 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Apr 2023
£48,91416 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Nov 2022
£103,0007 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Sept 2020
£115,000
Everything we know about 3a, 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

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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
Blaenrhondda Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.