31 Cardiff Street, Treorchy, CF42 6BG
About 31 Cardiff Street
31 Cardiff Street is a mid-terrace house in Treorchy (CF42 6BG). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2021) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Across 2006–2021, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £184,000 is 11.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 101.4% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Most recent transfer: December 2021 at £165,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 31 Cardiff 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
Energy performance
31 Cardiff Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Mar 2009OutbuildingFullIn report
Erection of a single storey garage in place of existing, badly deteriorated garage to the rear of property.
- Documents
- 7 docs on file
- Reference
- 09/0197/10
- Mar 2009FullIn report
Erection of a single storey garage in place of existing, badly deteriorated garage to the rear of property.
- Documents
- 8 docs on file
- Reference
- 09/0197/FUL
What's in 31 Cardiff Street, Treorchy, CF42 6BG's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Sale price has at least doubled since 2006.
£184,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 15 years.
£165,000
Growth on file: 5.6% per year over 15 years.
Sales timeline
20 December 2021Most recent
£165,000
+132.4%over 15 years4 July 2006
£71,000
Median price across the last 5 sales in CF42 6BG: £110,000 (2025–2017).
Nearby sales in CF42 6BG
Everything we know about 31 Cardiff 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 Cardiff Street homes
On co₂ emissions, 31 Cardiff Street runs well behind the street norm.
Price per m²
£1,813
Street avg £1,124
Floor Area
91 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
7.7 t/year
Street avg 4.8 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
Cardiff Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.