10 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
About 10 Croesffyrdd
10 Croesffyrdd is a three-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AL). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2014) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2012. Between certificates, hot-water efficiency went from Good to Very Good. The recommended improvements would push it to C (score 79). The latest certificate is from March 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Across 2000–2012, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £185,000 sits 74.5% above the 2012 sale of £106,000. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 24.1% above the typical sold price in the postcode. At 101 m² it's 26.3% larger than the typical home in the postcode (80 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last sold in October 2012, so it's been off the market for around 14 years.
Know exactly what you're buying at 10 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenfront_and_rear
Building
- Heating systemgas
Energy performance
10 Croesffyrdd'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This certificate is over 10 years old and is no longer valid.Expired 04 Mar 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Planning history
10 Croesffyrdd has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 10 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
10 Croesffyrdd has more than doubled in price since the earliest registered sale in 2000.
£185,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 12 years.
£106,000
Growth on file: 8.7% per year over 12 years.
Sales timeline
29 October 2012Most recent
£106,000
+175.3%over 12 years17 August 2000
£38,500
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
£60,00013 Croesffyrdd, Ystradgynlais, Swansea, SA9 1AL
Sold Dec 2007
£125,000
Everything we know about 10 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
10 Croesffyrdd is notably below the street on epc rating.
Price per m²
£1,050
Street avg £1,121
Floor Area
101 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.4 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.