6 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
About 6 Glanselsig Street
6 Glanselsig Street is a mid-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5EB). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2019) shows a C (score 72). When first surveyed in July 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Good to Very Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 89).
Today's modelled estimate of £121,000 sits 142% above the 2021 sale of £50,000. Sold October 2021 for £50,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 6 Glanselsig 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
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
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Planning history
6 Glanselsig 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 Glanselsig 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£121,000
Modelled from EPC, postcode comparables.
£50,000
Recorded with HM Land Registry.
Sales timeline
27 October 2021Most recent
£50,000
Median price across the last 5 sales in CF42 5EB: £80,500 (2024–2019).
Nearby sales in CF42 5EB
3 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
Sold Oct 2024
£95,0009 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
Sold Nov 2023
£72,00010 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
Sold Dec 2022
£142,00020 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
Sold Feb 2022
£80,50017 Glanselsig Street, Blaencwm, Treorchy, CF42 5EB
Sold Oct 2018
£53,195
Everything we know about 6 Glanselsig 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 Glanselsig Street homes
CO₂ Emissions for 6 Glanselsig Street runs comfortably ahead of the street norm.
Price per m²
£847
Street avg £1,170
Floor Area
59 m²
Street avg 72 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.4 t/year
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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
Blaencwm Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.