Blaennant House, Glannant, Ystradgynlais, Swansea, SA9 1BG
About Blaennant House
Blaennant House is a three-bedroom property in Ystradgynlais, Swansea, Swansea (SA9 1BG). It has council tax band B.
Untraded for 18 years, with the last transfer in May 2008. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1997–2008, sale prices on this property compounded at 10.7% per year. One historical planning record sits against the property in 2022.
Know exactly what you're buying at Blaennant House
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
- Dining roomYes
- CloakroomYes
Building
- Heating systemgas
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
- Jun 2022RenovationFullIn report
Creation of double driveway to property
- Documents
- 10 docs on file
- Reference
- 22/0409/HH
We flagged 1 thing worth checking at Blaennant House
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
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Sales history & valuation
Sale price has grown by over 3x since 1997.
£113,000
Growth on file: 10.7% per year over 11 years.
Sales timeline
15 May 2008Most recent
£113,000
+96.5%over 4 years19 October 2003
£57,500
+47.4%over 3 years24 October 1999
£39,000
+5.5%over 2 years22 May 1997
£36,950
Median price across the last 4 sales in SA9 1BG: £67,250 (2021–1996).
Everything we know about Blaennant House, 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

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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Glanrhyd Hospital — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.