7 Castle Street, Treorchy, CF42 6UY
About 7 Castle Street
7 Castle Street is a three-bedroom mid-terrace house in Treorchy (CF42 6UY). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2019) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2016. Between certificates, lighting went from Poor to Average; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.
Untraded for 21 years, with the last transfer in October 2005. At 106 m² the property is well over the postcode median (71 m² across 22 EPCs), placing it in the larger end of the local stock. Across 1995–2005, sale prices on this property compounded at 14.9% per year. Today's modelled estimate of £134,000 sits 65.4% above the 2005 sale of £81,000.
Know exactly what you're buying at 7 Castle Street
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
7 Castle Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
7 Castle Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
7 Castle Street has more than tripled in price since its earliest registered sale in 1995.
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.9% per year over 10 years.
£81,000
Growth on file: 14.9% per year over 10 years.
Sales timeline
15 October 2005Most recent
£81,000
+295.1%over 9 years17 November 1995
£20,500
Median price across the last 5 sales in CF42 6UY: £73,000 (2024–2022).
Nearby sales in CF42 6UY
Everything we know about 7 Castle Street, 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 Castle Street homes
On co₂ emissions, 7 Castle Street runs well behind the street norm.
Price per m²
£764
Street avg £798
Floor Area
106 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.9 t/year
Street avg 4.5 t/year
Similar properties nearby
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
Sunnybank Terrace — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.