123 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
About 123 Heol Y Garn
123 Heol Y Garn is a detached house in Garnswllt, Ammanford, Ammanford (SA18 2RP). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2021) shows an F (score 37), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since January 2019. Between certificates, roof efficiency went from Poor to Good and hot-water efficiency went from Very Poor to Average. The recommended improvements would lift it to C (score 74), a 3-band jump. Main heating runs on oil.
Today's modelled estimate of £225,000 sits 136.8% above the 2019 sale of £95,000. On a £-per-square-foot basis, the last sale (£77/sq ft) was about 33.2% below the postcode norm. At 115 m² it's 16.2% larger than the typical home in the postcode (99 m² median across 9 EPCs). Sold April 2019 for £95,000.
Know exactly what you're buying at 123 Heol Y Garn
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
123 Heol Y Garn's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
Planning history
123 Heol Y Garn has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 123 Heol Y Garn
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
123 Heol Y Garn valuation sits well clear of the typical sold price in this postcode.
£225,000
Modelled from EPC, postcode comparables.
£95,000
Recorded with HM Land Registry.
Sales timeline
2 April 2019Most recent
£95,000
Median price across the last 5 sales in SA18 2RP: £136,000 (2024–2015).
Nearby sales in SA18 2RP
121 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Jun 2024
£145,000148 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Dec 2019
£123,000127 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Nov 2019
£136,000141 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Jan 2019
£130,000147 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Nov 2015
£166,000
Everything we know about 123 Heol Y Garn, 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 Heol Y Garn homes
123 Heol Y Garn outperforms the street on floor area by a wide margin.
Price per m²
£826
Street avg £1,144
Floor Area
115 m²
Street avg 110 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.1 t/year
Street avg 8.2 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Garnswllt Square — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.