73 Wyndham Street, Treherbert, Treorchy, CF42 5BT
About 73 Wyndham Street
73 Wyndham Street is a three-bedroom semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5BT). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (May 2016) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2010. Between certificates, lighting dropped from Good to Average. The recommended improvements would lift it to C (score 80), a 2-band jump. The latest certificate is from May 2016, so improvements made since then won't be reflected.
At 107 m² the property is well over the postcode median (82 m² across 23 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Most recent transfer: October 2021 at £95,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2005–2021, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £139,000 is 46.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£82/sq ft) was about 60.7% above the typical sold price in the postcode.
Know exactly what you're buying at 73 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
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
Energy performance
73 Wyndham Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 May 2026
EPC Rating
Planning history
73 Wyndham Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 73 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
- Recent ownership pattern worth a look
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Sales history & valuation
Latest sale on 73 Wyndham Street was the highest on Land Registry record across the postcode.
£139,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 17 years.
£95,000
Growth on file: 2.1% per year over 17 years.
Sales timeline
21 October 2021Most recent
£95,000
+58.3%over 1 year28 May 2020
£59,995
-11.8%over 12 years10 April 2008
£68,000
+1.5%over 3 years9 February 2005
£67,000
Median price across the last 5 sales in CF42 5BT: £50,000 (2025–2018).
Nearby sales in CF42 5BT
68a, Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Feb 2025
£68,00011 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Jan 2023
£50,00014 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Aug 2022
£89,5009 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold May 2022
£48,00010 Wyndham Street, Treherbert, Treorchy, CF42 5BT
Sold Oct 2018
£42,000
Everything we know about 73 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
- Recent ownership pattern worth a look

Versus other Wyndham Street homes
73 Wyndham Street is notably below the street on epc rating.
Price per m²
£888
Street avg £626
Floor Area
107 m²
Street avg 88 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.3 t/year
Street avg 5.8 t/year
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1 Blaen Y Cwm Terrace, Treherbert
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1 Brook Street, Blaenrhondda
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1 Cwrt Yr Ysgol, 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.