51 Heol Y Garn, Garnswllt, Ammanford, SA18 2RN
About 51 Heol Y Garn
51 Heol Y Garn is a three-bedroom semi-detached house in Garnswllt, Ammanford, Ammanford (SA18 2RN). It has a recorded floor area of 93 m² (around 1004 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (December 2011) shows an F (score 36), near the bottom of the EPC scale. When first surveyed in May 2010 the rating was G, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and main heating went from Very Poor to Average; while lighting dropped from Good to Very Poor. The recommended improvements would push it to E (score 42). Main heating runs on lpg. The latest certificate is from December 2011, so improvements made since then won't be reflected.
Today's modelled estimate of £181,000 sits 50.8% above the 2017 sale of £120,000. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 27.6% above the typical sold price in the postcode. Last sold in September 2017, so it's been off the market for around 9 years. 3 planning records sit against the property, 3 approved, 0 refused.
Know exactly what you're buying at 51 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
- Bedrooms3
- Bathrooms2
Outside
- Private gardenrear
- GarageYes
Building
- Heating systemlpg
Energy performance
51 Heol Y Garn'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This certificate is over 10 years old and is no longer valid.Expired 19 Dec 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Low energy lighting percentage decreased
Roof insulation improved
Planning history
- May 2015ConditionsIn report
Variation of condition 3 of planning permission 2010/0361 granted 23rd April 2010 to extend the time period to commence development
- Documents
- 8 docs on file
- Reference
- 2015/0336
- Apr 2010New BuildOutlineIn report
Detached dwelling (renewal of outline planning permission 2005/2372 granted 5th January 2006)
- Documents
- 1 doc on file
- Reference
- 2010/0361
We flagged 1 thing worth checking at 51 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
51 Heol Y Garn valuation sits well clear of the typical sold price in this postcode.
£181,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.4% per year over 6 years.
£120,000
Growth on file: 0.4% per year over 6 years.
Sales timeline
13 September 2017Most recent
£120,000
+2.6%over 5 years2 December 2011
£117,000
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 51 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
Habitable Rooms for 51 Heol Y Garn lags the street by a wide margin.
Price per m²
£1,286
Street avg £1,450
Floor Area
93 m²
Street avg 118 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.6 t/year
Street avg 5.7 t/year
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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.