Llys Glanrhondda, Flat 14a, High Street, Treorchy, CF42 6NZ
About Llys Glanrhondda
Llys Glanrhondda is a detached house in Treorchy (CF42 6NZ). It has a recorded floor area of 49 m² (around 532 sq ft) and construction records dating it to 1983-1990. At 49 m² this is the 5th smallest of 13 units on EPC record in Llys Glanrhondda, where floor areas span 44–55 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (67 versus a best of 79). The latest certificate (March 2011) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2009. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to C (score 70). Main heating runs on electricity. The latest certificate is from March 2011, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at Llys Glanrhondda
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Llys Glanrhondda sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Mar 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Llys Glanrhondda has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Llys Glanrhondda has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£134,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about Llys Glanrhondda, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other High Street homes
Llys Glanrhondda is notably below the street on epc rating.
EPC Rating
67 (D)
Street avg 75 (C)
Floor Area
49 m²
Street avg 50 m²
CO₂ Emissions
2.9 t/year
Street avg 2.1 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
Flat B, 34 Bute Street
CF42 6BS
Flat C, 131 Bute Street
CF42 6BB
Flat, 104 Bute Street
CF42 6AU
Flat A, 111 Bute Street
CF42 6AU
Flat B, 111 Bute Street
CF42 6AU
Flat, 111 Park Road
CF42 6LB
Flat, 177 Park Road
CF42 6HY
Flat 3, 184 High Street
CF42 6NU
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
Griffin Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.