18 Wyndham Street, Treherbert, Treorchy, CF42 5BS
About 18 Wyndham Street
18 Wyndham Street is a four-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BS). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (November 2023) shows a D (score 56), a step below the typical UK home. When first surveyed in May 2013 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 79).
Untraded for 22 years, with the last transfer in May 2004. Today's modelled estimate of £131,000 sits 151.9% above the 2004 sale of £52,000.
Know exactly what you're buying at 18 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
What this property has
Inside
- Bedrooms4
- Bathrooms1
Building
- RefurbishedYes
Energy performance
18 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
More low energy lighting installed
Planning history
18 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 18 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
18 Wyndham Street valuation sits well clear of the typical sold price in this postcode.
£131,000
Modelled from EPC, postcode comparables.
£52,000
Recorded with HM Land Registry.
Sales timeline
13 May 2004Most recent
£52,000
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 18 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
On years held, 18 Wyndham Street stands well clear of the street.
Price per m²
£627
Street avg £725
Floor Area
83 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.2 t/year
Street avg 6.6 t/year
Similar properties nearby
1 Crichton Street, Treherbert
CF42 5RA
1 Coldra Road, Treherbert
CF42 5ST
1 David Street, Treherbert
CF42 5LB
1 Brynfedwen Close, Treherbert
CF42 5PB
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwmsaerbren Street, Treherbert
CF42 5HY
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.