21 Wyndham Street, Treherbert, Treorchy, CF42 5BS
About 21 Wyndham Street
21 Wyndham Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BS). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2019) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump.
Today's modelled estimate of £128,000 sits 132.7% above the 2020 sale of £55,000. On a £-per-square-foot basis, the last sale (£63/sq ft) was about 18.9% above the typical sold price in the postcode. Most recent transfer: June 2020 at £55,000.
Know exactly what you're buying at 21 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
21 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 21 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£128,000
Modelled from EPC, postcode comparables.
£55,000
Recorded with HM Land Registry.
Sales timeline
30 June 2020Most recent
£55,000
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 21 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
Floor Area for 21 Wyndham Street lags the street by a wide margin.
Price per m²
£679
Street avg £722
Floor Area
81 m²
Street avg 108 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 6.7 t/year
Similar properties nearby
1 Bute Street, Treherbert
CF42 5NP
1 Collins Close, Treherbert
CF42 5NH
1 Delwyn Terrace, Blaencwm
CF42 5ED
1 Charles Street, Treherbert
CF42 5HF
1 Cwmsaerbren Street, Treherbert
CF42 5HY
1 Alma Street, Treherbert
CF42 5LY
1 Baglan Street, Treherbert
CF42 5AA
1 Ael Y Bryn, Treherbert
CF42 5HD
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.