6 Hill Street, Treherbert, Treorchy, CF42 5LG
About 6 Hill Street
6 Hill Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5LG). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2019) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2014. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Very Poor to Average; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump.
It hasn't traded since August 1995, a hold of 31 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £123,000 sits 720% above the 1995 sale of £15,000. On a £-per-square-foot basis, the last sale (£15/sq ft) was about 80.2% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
Know exactly what you're buying at 6 Hill 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
6 Hill 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
Hot water system upgraded
More low energy lighting installed
Planning history
6 Hill Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 6 Hill 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
6 Hill Street's modelled value sits at over four times its earliest registered sale price (1995).
£123,000
Modelled from EPC, postcode comparables.
£15,000
Recorded with HM Land Registry.
Sales timeline
15 August 1995Most recent
£15,000
Median price across the last 5 sales in CF42 5LG: £90,000 (2024–2010).
Nearby sales in CF42 5LG
9 Hill Street, Treherbert, Treorchy, CF42 5LG
Sold Aug 2024
£90,00013 Hill Street, Treherbert, Treorchy, CF42 5LG
Sold Jul 2024
£145,00012 Hill Street, Treherbert, Treorchy, CF42 5LG
Sold Nov 2021
£85,0001 Hill Street, Treherbert, Treorchy, CF42 5LG
Sold Oct 2010
£71,25010 Hill Street, Treherbert, Treorchy, CF42 5LG
Sold Dec 2003
£12,500
Everything we know about 6 Hill 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 Hill Street homes
On years held, 6 Hill Street stands well clear of the street.
Price per m²
£163
Street avg £847
Floor Area
92 m²
Street avg 101 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.3 t/year
Street avg 7.2 t/year
Similar properties nearby
1 Alma Street, Treherbert
CF42 5LY
1 Baglan Street, Treherbert
CF42 5AA
1 Corbett Street, Treherbert
CF42 5EL
1 Cwmsaerbren Flats, Treherbert
CF42 5LA
1 Collins Close, Treherbert
CF42 5NH
1 Delwyn Terrace, Blaencwm
CF42 5ED
1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Bute Street, Treherbert
CF42 5NP
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
Dunraven Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.