3 Castle Street, Treorchy, CF42 6UY
About 3 Castle Street
3 Castle Street is a three-bedroom mid-terrace house in Treorchy (CF42 6UY). It has a recorded floor area of 65 m² (around 696 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (October 2011) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2011. Between certificates, roof efficiency went from Very Poor to Poor and lighting went from Average to Good. The recommended improvements would push it to D (score 68). The latest certificate is from October 2011, so improvements made since then won't be reflected.
Today's modelled estimate of £120,000 sits 81.8% above the 2013 sale of £66,000. On a £-per-square-foot basis, the last sale (£95/sq ft) was about 48% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Last sold in January 2013, so it's been off the market for around 13 years.
Know exactly what you're buying at 3 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
Energy performance
3 Castle Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Oct 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
Planning history
3 Castle Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
3 Castle Street valuation sits well clear of the typical sold price in this postcode.
£120,000
Modelled from EPC, postcode comparables.
£66,000
Recorded with HM Land Registry.
Sales timeline
11 January 2013Most recent
£66,000
Median price across the last 5 sales in CF42 6UY: £73,000 (2024–2022).
Nearby sales in CF42 6UY
Everything we know about 3 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 epc rating, 3 Castle Street runs well behind the street norm.
Price per m²
£1,021
Street avg £782
Floor Area
65 m²
Street avg 84 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.6 t/year
Similar properties nearby
1 Barrett Street
CF42 6LN
1 Castle Street
CF42 6UY
1 Brynhyfryd Street
CF42 6DT
1 Dunraven Terrace
CF42 6EL
1 Dyfodwg Street
CF42 6NN
1 Cardiff Place
CF42 6BL
1 Bute Street
CF42 6DB
1 Chapel Street
CF42 6RT
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.