23 Wyndham Street, Treherbert, Treorchy, CF42 5BS
About 23 Wyndham Street
23 Wyndham Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BS). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (October 2017) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.
Untraded for 19 years, with the last transfer in May 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £118,000 sits 345.3% above the 2007 sale of £26,500. On a £-per-square-foot basis, the last sale (£29/sq ft) was about 51% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and change of use to residential, meaningful when judging how the property has evolved.
Know exactly what you're buying at 23 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
- Sept 2007Change of UseFullIn report
Extension: Two storey
Change of use from shop to dwelling, including alterations to front elevation and creation of a two storey extension
Extension- Reference
- 07/1207/10
- Sept 2007Change of UseFullIn report
Extension: Two storey
Change of use from shop to dwelling, including alterations to front elevation and creation of a two storey extension
Extension- Reference
- 07/1207/FUL
We flagged 1 thing worth checking at 23 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
23 Wyndham Street's modelled value sits at over four times its earliest registered sale price (2007).
£118,000
Modelled from EPC, postcode comparables.
£26,500
Recorded with HM Land Registry.
Sales timeline
3 May 2007Most recent
£26,500
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 23 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
23 Wyndham Street is notably below the street on price per m².
Price per m²
£312
Street avg £739
Floor Area
85 m²
Street avg 108 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 6.7 t/year
Similar properties nearby
1 Bryn Wyndham Terrace, Treherbert
CF42 5NG
1 Church Street, Treherbert
CF42 5PU
1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Chapel Street, Blaenrhondda
CF42 5SE
1 Corbett Street, Treherbert
CF42 5EL
1 Cwmsaerbren Flats, Treherbert
CF42 5LA
1 Abertonllwyd Street, Treherbert
CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
CF42 5DG
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.