Glan Yr Afon, Tydraw Terrace, Treherbert, Treorchy, CF42 5DF
About Glan Yr Afon
Glan Yr Afon is a detached house in Treherbert, Treorchy, Treorchy (CF42 5DF). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2019) returns a B (score 83), comfortably above the UK average. When first surveyed in November 2008 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Good to Very Good and hot-water efficiency went from Average to Good.
Untraded for 28 years, with the last transfer in April 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 181 m² the property is well over the postcode median (86 m² across 5 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £315,000 sits 238.7% above the 1998 sale of £93,000. On a £-per-square-foot basis, the last sale (£48/sq ft) was about 64.8% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Know exactly what you're buying at Glan Yr Afon
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
Glan Yr Afon ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Planning history
Glan Yr Afon has 2 separate extension applications on the council record.
- Sept 2011ConservatoryFullIn report
Extension: Rear of property
Edwardian hipped style conservatory to rear of dwelling (retrospective)
- Agent
- Dunraven Windows
RetrospectiveExtension- Documents
- 6 docs on file
- Reference
- 11/0971/10
- Sept 2011ConservatoryFullIn report
Edwardian hipped style conservatory to rear of dwelling (retrospective)
- Agent
- Dunraven Windows
RetrospectiveExtension- Documents
- 7 docs on file
- Reference
- 11/0971/FUL
We flagged 1 thing worth checking at Glan Yr Afon
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
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Sales history & valuation
Glan Yr Afon's estimated value is more than triple its earliest registered sale price (1998).
£315,000
Modelled from EPC, postcode comparables.
£93,000
Recorded with HM Land Registry.
Sales timeline
22 April 1998Most recent
£93,000
Median price across the last 3 sales in CF42 5DF: £120,000 (2022–2002).
Everything we know about Glan Yr Afon, 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 Tydraw Terrace homes
EPC Rating for Glan Yr Afon runs comfortably ahead of the street norm.
EPC Rating
83 (B)
Street avg 63 (D)
Floor Area
181 m²
Street avg 89 m²
CO₂ Emissions
6.2 t/year
Street avg 5.4 t/year
Habitable Rooms
7 rooms
Street avg 5 rooms
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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.