16 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
About 16 Castleton Avenue
16 Castleton Avenue is a semi-detached house in Treherbert, Treorchy, Treorchy (CF42 5SS). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (October 2025) 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 June 2009. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 79).
At 77 m² it's 25.6% smaller than the typical home in the postcode (104 m² median across 22 EPCs).
Know exactly what you're buying at 16 Castleton Avenue
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
Roof insulation improved
Planning history
16 Castleton Avenue has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 16 Castleton Avenue
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
16 Castleton Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£128,000
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.
Median price across the last 5 sales in CF42 5SS: £130,000 (2025–2022).
Nearby sales in CF42 5SS
25 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Jul 2025
£130,00014 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Jul 2025
£185,000Fernhill House, Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Dec 2023
£395,0003 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Nov 2022
£130,00026 Castleton Avenue, Treherbert, Treorchy, CF42 5SS
Sold Aug 2022
£125,000
Everything we know about 16 Castleton Avenue, 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 Castleton Avenue homes
16 Castleton Avenue is notably below the street on floor area.
EPC Rating
67 (D)
Street avg 60 (D)
Floor Area
77 m²
Street avg 111 m²
CO₂ Emissions
4.0 t/year
Street avg 6.4 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
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1 Cwmsaerbren Street, Treherbert
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1 Alma Street, Treherbert
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1 Baglan Street, Treherbert
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1 Ael Y Bryn, Treherbert
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Steps — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.