9 Wyndham Street, Treherbert, Treorchy, CF42 5BT
About 9 Wyndham Street
9 Wyndham Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BT). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2018) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2002–2022, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £116,000 sits 141.7% above the 2022 sale of £48,000. Last sale on file: £48,000 in May 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 9 Wyndham 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
9 Wyndham 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 Wyndham 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
Sale price has grown by over 3x since 2002.
£116,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 20 years.
£48,000
Growth on file: 6.1% per year over 20 years.
Sales timeline
4 May 2022Most recent
£48,000
+23.1%over 17 years20 September 2004
£39,000
-9.3%over 6 months18 March 2004
£43,000
+186.7%over 1 year1 November 2002
£15,000
Median price across the last 5 sales in CF42 5BT: £68,000 (2025–2020).
Nearby sales in CF42 5BT
68a, Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Feb 2025
£68,00011 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Jan 2023
£50,00014 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Aug 2022
£89,50073 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Oct 2021
£95,00010 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Oct 2018
£42,000
Everything we know about 9 Wyndham 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 Wyndham Street homes
On co₂ emissions, 9 Wyndham Street stands well clear of the street.
Price per m²
£615
Street avg £643
Floor Area
78 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 5.9 t/year
Similar properties nearby
1 Chapel Street, Blaenrhondda
CF42 5SE
1 Bryn Wyndham Terrace, Treherbert
CF42 5NG
1 Church Street, Treherbert
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1 Abertonllwyd Street, Treherbert
CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
CF42 5DG
1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Corbett Street, Treherbert
CF42 5EL
1 Cwmsaerbren Flats, Treherbert
CF42 5LA
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Alban`s — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.