12 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
About 12 Croesffyrdd
12 Croesffyrdd is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AL). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (November 2015) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 83). The latest certificate is from November 2015, so improvements made since then won't be reflected.
Untraded for 19 years, with the last transfer in December 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £156,000 sits 160% above the 2007 sale of £60,000.
Know exactly what you're buying at 12 Croesffyrdd
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Nov 2025
EPC Rating
Planning history
12 Croesffyrdd has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Croesffyrdd
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£156,000
Modelled from EPC, postcode comparables.
£60,000
Recorded with HM Land Registry.
Sales timeline
3 December 2007Most recent
£60,000
Median price across the last 5 sales in SA9 1AL: £115,000 (2022–2012).
Nearby sales in SA9 1AL
5 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Dec 2022
£155,0008 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Apr 2021
£95,00011 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Oct 2013
£119,0004 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Nov 2012
£60,00010 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Oct 2012
£106,000
Everything we know about 12 Croesffyrdd, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Croesffyrdd homes
12 Croesffyrdd is notably below the street on price per m².
Price per m²
£800
Street avg £1,171
Floor Area
75 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.