89 Brook Street, Blaenrhondda, Treorchy, CF42 5SF
About 89 Brook Street
89 Brook Street is a mid-terrace house in Blaenrhondda, Treorchy, Treorchy (CF42 5SF). 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 (September 2019) shows a C (score 72). When first surveyed in July 2019 the rating was D, the property has climbed 1 band since.
It hasn't traded since March 2003, a hold of 23 years that's notably long for the area. Today's modelled estimate of £113,000 sits 277.3% above the 2003 sale of £29,950. On a £-per-square-foot basis, the last sale (£40/sq ft) was about 35.6% below the postcode norm. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Know exactly what you're buying at 89 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
89 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 89 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
89 Brook Street's estimated value is more than triple its earliest registered sale price (2003).
£113,000
Modelled from EPC, postcode comparables.
£29,950
Recorded with HM Land Registry.
Sales timeline
28 March 2003Most recent
£29,950
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 89 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
89 Brook Street is notably below the street on floor area.
Price per m²
£428
Street avg £762
Floor Area
70 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
Similar properties nearby
1 Abertonllwyd Street, Treherbert
CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
CF42 5DG
1 Brook Street, Blaenrhondda
CF42 5SG
1 Chapel Street, Blaenrhondda
CF42 5SE
1 Bryn Wyndham Terrace, Treherbert
CF42 5NG
1 Church Street, Treherbert
CF42 5PU
1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Corbett Street, Treherbert
CF42 5EL
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.