6 Wyndham Street, Treherbert, Treorchy, CF42 5BT
About 6 Wyndham Street
6 Wyndham Street is a semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5BT). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2017) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
Today's modelled estimate of £134,000 sits 168% above the 2018 sale of £50,000. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Last sold in February 2018, so it's been off the market for around 8 years.
Know exactly what you're buying at 6 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
6 Wyndham Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
6 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 6 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
6 Wyndham Street valuation sits well clear of the typical sold price in this postcode.
£134,000
Modelled from EPC, postcode comparables.
£50,000
Recorded with HM Land Registry.
Sales timeline
20 February 2018Most recent
£50,000
Median price across the last 5 sales in CF42 5BT: £68,000 (2025–2021).
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
£89,5009 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold May 2022
£48,00073 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Oct 2021
£95,000
Everything we know about 6 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
6 Wyndham Street is notably below the street on epc rating.
Price per m²
£610
Street avg £643
Floor Area
82 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 5.8 t/year
Similar properties nearby
1 Clyngwyn Terrace, Blaenrhondda
CF42 5SH
1 Ael Y Bryn, Treherbert
CF42 5HD
1 Cwmsaerbren Street, Treherbert
CF42 5HY
1 Charles Street, Treherbert
CF42 5HF
1 Crichton Street, Treherbert
CF42 5RA
1 Bute Street, Treherbert
CF42 5NP
1 Coldra Road, Treherbert
CF42 5ST
1 Collins Close, Treherbert
CF42 5NH
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.