Ynys Y Frwenen Farmhouse, Glanamman, Ammanford, SA18 1AQ
About Ynys Y Frwenen Farmhouse
Ynys Y Frwenen Farmhouse is a detached house in Glanamman, Ammanford, Ammanford (SA18 1AQ). It has a recorded floor area of 106 m² (around 1141 sq ft) and construction records dating it to 1900-1929. The latest certificate (May 2025) returns a high B (score 86), putting the home a stone's throw from an A rating. When first surveyed in February 2011 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Very Good and hot-water efficiency went from Poor to Average. The recommended improvements would push it to A (score 112). Main heating runs on electricity.
One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. Across 2001–2024, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £485,000 is 24.4% above the 2024 sale price. Last sale on file: £390,000 in October 2024.
Know exactly what you're buying at Ynys Y Frwenen Farmhouse
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Ynys Y Frwenen Farmhouse's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Roof insulation improved
Heat pump installed, significantly improving energy efficiency
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
Council records include a two-storey side extension at Ynys Y Frwenen Farmhouse.
- May 2013ExtensionFullIn report
Extension: Two storey · Side of property
TWO STOREY SIDE EXTENSION
- Documents
- 3 docs on file
- Reference
- E/28046
We flagged 1 thing worth checking at Ynys Y Frwenen Farmhouse
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 2001.
£485,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 23 years.
£390,000
Growth on file: 5.5% per year over 23 years.
Sales timeline
28 October 2024Most recent
£390,000
+245.1%over 23 years20 September 2001
£113,000
Median price across the last 1 sales in SA18 1AQ: £215,000 (2006–2006).
Nearby sales in SA18 1AQ
Everything we know about Ynys Y Frwenen Farmhouse, 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
5/mo
Steady year-on-year across the wider district.
Nearest stop
1.8 km
Bro Ryan — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.