5 John Street, Treherbert, Treorchy, CF42 5HH
About 5 John Street
5 John Street is a two-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5HH). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to before 1900 and council tax band A. Tenure is freehold. The latest certificate (November 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 89), a 2-band jump.
Untraded for 24 years, with the last transfer in December 2001. Today's modelled estimate of £106,000 sits 430% above the 2001 sale of £20,000. On a £-per-square-foot basis, the last sale (£26/sq ft) was about 66.9% below the postcode norm.
Know exactly what you're buying at 5 John 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
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
Building
- TenureFreehold
- Heating systemGas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
5 John Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 5 John 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
5 John Street's modelled value sits at over four times its earliest registered sale price (2001).
£106,000
Modelled from EPC, postcode comparables.
£20,000
Recorded with HM Land Registry.
Sales timeline
20 December 2001Most recent
£20,000
Median price across the last 5 sales in CF42 5HH: £82,000 (2023–2018).
Nearby sales in CF42 5HH
2 John Street, Treherbert, Treorchy, CF42 5HH
Sold Jun 2023
£82,0008 John Street, Treherbert, Treorchy, CF42 5HH
Sold Jan 2023
£97,0004 John Street, Treherbert, Treorchy, CF42 5HH
Sold Sept 2021
£85,0007 John Street, Treherbert, Treorchy, CF42 5HH
Sold Jun 2018
£70,0001 John Street, Treherbert, Treorchy, CF42 5HH
Sold Feb 2011
£43,000
Everything we know about 5 John 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 John Street homes
5 John Street is notably below the street on price per m².
Price per m²
£278
Street avg £1,224
Floor Area
72 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.7 t/year
Similar properties nearby
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1 Brynfedwen Close, Treherbert
CF42 5PB
1 Blaen Y Cwm Terrace, Treherbert
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1 Abertonllwyd Street, Treherbert
CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
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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
0.1 km
New Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.