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Get startedGarn Fach is a detached house in Llanelli (SA15 4RE). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (December 2025) shows an E (score 49), well below the UK norm with real room to improve. When first surveyed in November 2021 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 62). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since September 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 139 m² the property is well over the postcode median (104 m² across 5 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £360,000 sits 260% above the 1997 sale of £100,000.
The EPC has just been inspected, so the rating reflects current condition.
Garn Fach's estimated value is more than triple its earliest registered sale price (1997).
£360,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
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On price per m², Garn Fach runs well behind the street norm.
Price per m²
£719
Street avg £1,161
Floor Area
139 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Heol Trimsaran — bus stop.
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Mechanical ventilation installed
Solar PV panels (50 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 September 1997Most recent
£100,000
Median price across the last 5 sales in SA15 4RE: £95,000 (2017–1998).
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Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 14.5 t/year
SA15 4LB