31 Wyndham Street, Treherbert, Treorchy, CF42 5BS
About 31 Wyndham Street
31 Wyndham Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BS). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2019. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Held since March 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £140,000 sits 66.7% above the 2005 sale of £84,000. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 24.6% above the typical sold price in the postcode. At 118 m² it's 26.2% larger than the typical home in the postcode (94 m² median across 42 EPCs).
Know exactly what you're buying at 31 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
31 Wyndham Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
31 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 31 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
31 Wyndham Street valuation sits well clear of the typical sold price in this postcode.
£140,000
Modelled from EPC, postcode comparables.
£84,000
Recorded with HM Land Registry.
Sales timeline
21 March 2005Most recent
£84,000
Median price across the last 5 sales in CF42 5BS: £69,000 (2024–2022).
Nearby sales in CF42 5BS
58 Wyndham Street, Treherbert, Treorchy, CF42 5BS
Sold Apr 2024
£48,50027 Wyndham Street, Treherbert, Treorchy, CF42 5BS
Sold Mar 2024
£69,00050 Wyndham Street, Treherbert, Treorchy, CF42 5BS
Sold Dec 2023
£60,00042 Wyndham Street, Treherbert, Treorchy, CF42 5BS
Sold Jun 2023
£100,00044 Wyndham Street, Treherbert, Treorchy, CF42 5BS
Sold Oct 2022
£85,000
Everything we know about 31 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
Years Held for 31 Wyndham Street runs comfortably ahead of the street norm.
Price per m²
£712
Street avg £721
Floor Area
118 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 6.6 t/year
Similar properties nearby
1 Coldra Road, Treherbert
CF42 5ST
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1 Clyngwyn Terrace, Blaenrhondda
CF42 5SH
1 Brynfedwen Close, Treherbert
CF42 5PB
1 Ael Y Bryn, Treherbert
CF42 5HD
1 Clyngwyn Road, Blaenrhondda
CF42 5SL
1 Cwmsaerbren Street, Treherbert
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Wyndham Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.