16 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
About 16 Heol Y Garn
16 Heol Y Garn is a four-bedroom detached house in Garnswllt, Ammanford, Ammanford (SA18 2RN). It has a recorded floor area of 233 m² (around 2508 sq ft), construction records dating it to 2007 onwards and council tax band G. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The home occupies a cul-de-sac position. The latest certificate (December 2016) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2011. Between certificates, roof efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on lpg.
At 233 m² the property is well over the postcode median (92 m² across 16 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £425,000 sits 105.3% above the 2013 sale of £207,000. One planning record on file: an extension approved in 2016. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. 13 years since the last transfer (September 2013).
Know exactly what you're buying at 16 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
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
- Bedrooms4
- Dining roomYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Solar panelsYes
Energy performance
16 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 changed
Hot water efficiency decreased
Roof insulation improved
Floor insulation added or improved
Planning history
16 Heol Y Garn has an approved single-storey rear extension on the planning record.
- Apr 2016ConservatoryFullIn report
Extension: Single storey · Rear of property
First floor rear conservatory
Extension- Documents
- 13 docs on file
- Reference
- 2016/0430
We flagged 1 thing worth checking at 16 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
16 Heol Y Garn valuation sits well clear of the typical sold price in this postcode.
£425,000
Modelled from EPC, postcode comparables.
£207,000
Recorded with HM Land Registry.
Sales timeline
5 September 2013Most recent
£207,000
Median price across the last 5 sales in SA18 2RN: £142,500 (2025–2021).
Nearby sales in SA18 2RN
63 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
Sold Jun 2025
£136,00032 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
Sold May 2025
£380,00040 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
Sold Apr 2024
£343,00065 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
Sold Jul 2022
£130,00060 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
Sold Jul 2021
£142,500
Everything we know about 16 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
16 Heol Y Garn outperforms the street on floor area by a wide margin.
Price per m²
£888
Street avg £1,479
Floor Area
233 m²
Street avg 109 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
7.9 t/year
Street avg 5.6 t/year
Similar properties nearby
1 Carreg Y Dwfn, Llandyfan
SA18 2UB
1 Bryn Derwen Road
SA18 2DL
1 Brynmawr Lane
SA18 2BY
1 Colonel Road, Betws
SA18 2HB
1 Church Street
SA18 2NR
1 Dan Y Deri, Glanamman
SA18 2FH
1 Brynmawr Avenue
SA18 2DA
1 Clos Ty Coch
SA18 2FP
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dol-y-Garn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.