12 Wyndham Street, Treherbert, Treorchy, CF42 5BT
About 12 Wyndham Street
12 Wyndham Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BT). 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 58), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
Held since October 2004 — that's 22 years off the open market, well above the local norm. Today's modelled estimate of £113,000 sits 182.5% above the 2004 sale of £40,000. At 70 m² it's 17.6% smaller than the typical home in the postcode (85 m² median across 23 EPCs).
Know exactly what you're buying at 12 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
12 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 12 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
12 Wyndham Street valuation sits well clear of the typical sold price in this postcode.
£113,000
Modelled from EPC, postcode comparables.
£40,000
Recorded with HM Land Registry.
Sales timeline
21 October 2004Most recent
£40,000
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 12 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
12 Wyndham Street is notably below the street on floor area.
Price per m²
£571
Street avg £645
Floor Area
70 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 5.9 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
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.