18 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
About 18 Bryn Wyndham Terrace
18 Bryn Wyndham Terrace is a three-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5NG). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2020) shows a C (score 70). The rating has held steady at C across 2 certificates since December 2009. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 91).
Held since December 2004 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £110,000 sits 286% above the 2004 sale of £28,500. At 58 m² it's 18.3% smaller than the typical home in the postcode (71 m² median across 43 EPCs).
Know exactly what you're buying at 18 Bryn Wyndham Terrace
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
- Bedrooms3
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
18 Bryn Wyndham Terrace has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 18 Bryn Wyndham Terrace
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 Bryn Wyndham Terrace's estimated value is more than triple its earliest registered sale price (2004).
£110,000
Modelled from EPC, postcode comparables.
£28,500
Recorded with HM Land Registry.
Sales timeline
23 December 2004Most recent
£28,500
Median price across the last 5 sales in CF42 5NG: £62,500 (2025–2024).
Nearby sales in CF42 5NG
22 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
Sold May 2025
£50,00045 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
Sold Apr 2025
£62,5009 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
Sold Jan 2025
£54,0008 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
Sold Apr 2024
£65,00025 Bryn Wyndham Terrace, Treherbert, Treorchy, CF42 5NG
Sold Feb 2024
£115,000
Everything we know about 18 Bryn Wyndham Terrace, 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 Bryn Wyndham Terrace homes
On floor area, 18 Bryn Wyndham Terrace runs well behind the street norm.
Price per m²
£491
Street avg £727
Floor Area
58 m²
Street avg 72 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.9 t/year
Similar properties nearby
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1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Abertonllwyd Street, Treherbert
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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.