148 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
About 148 Heol Y Garn
148 Heol Y Garn is a three-bedroom semi-detached house in Garnswllt, Ammanford, Ammanford (SA18 2RP). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (December 2016) shows an F (score 24), near the bottom of the EPC scale. The rating has held steady at F across 3 certificates since July 2013. Between certificates, wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Very Good to Very Poor. The recommended improvements would lift it to D (score 67), a 2-band jump. Main heating runs on dual fuel. Other recorded features include notable views and a basement.
At 160 m² the property is well over the postcode median (99 m² across 9 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £202,000 sits 64.2% above the 2019 sale of £123,000. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 39.7% below the postcode norm. Most recent transfer: December 2019 at £123,000.
Know exactly what you're buying at 148 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
- Bathrooms1
- Dining roomYes
- BasementYes
Outside
- Notable viewsYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
148 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
Changed to a more efficient fuel source
Hot water efficiency decreased
Low energy lighting percentage decreased
Planning history
148 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 148 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
148 Heol Y Garn's sale-price growth has lagged the wider UK trajectory across its history on file.
£202,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.2% per year over 15 years.
£123,000
Growth on file: 0.2% per year over 15 years.
Sales timeline
19 December 2019Most recent
£123,000
+2.5%over 15 years2 September 2004
£120,000
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
£145,000127 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Nov 2019
£136,000123 Heol Y Garn, Garnswllt, Ammanford, SA18 2RP
Sold Apr 2019
£95,000141 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 148 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
Floor Area for 148 Heol Y Garn runs comfortably ahead of the street norm.
Price per m²
£769
Street avg £1,151
Floor Area
160 m²
Street avg 105 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
16.0 t/year
Street avg 7.3 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
Garnswllt Square — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.