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Get startedWaunlas Onnen Farm is a detached house in Horeb, Carmarthen, Carmarthen (SA32 7JY). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2025) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since December 2014. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to A (score 93), a 4-band jump. Main heating runs on oil.
Today's modelled estimate of £463,000 is 20.3% below the 2025 sale of £581,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. Most recent transfer was April 2025 at £581,000 — fresh data.
Waunlas Onnen Farm's carbon output runs well above what efficient homes in the postcode produce.
£463,000
Modelled from EPC, postcode comparables.
£581,000
Recorded with HM Land Registry.
Habitable Rooms for Waunlas Onnen Farm runs comfortably ahead of the street norm.
EPC Rating
51 (E)
Street avg 45 (E)
Floor Area
148 m²
Street avg 138 m²
CO₂ Emissions
8.1 t/year
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
1.5 km
Horeb Junction — bus stop.
Changes detected from historical EPC data
Hot water system upgraded
Fuel source changed
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 April 2025Most recent
£581,000
Median price across the last 3 sales in SA32 7JY: £351,000 (2025–2014).
Street avg 8.9 t/year
Habitable Rooms
6 rooms
Street avg 4 rooms
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