20 Erw Non, Llannon, Llanelli, SA14 6BH
About 20 Erw Non
20 Erw Non is a semi-detached house in Llannon, Llanelli, Llanelli (SA14 6BH). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (August 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2012. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil.
Across 2002–2015, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £205,000 sits 90.7% above the 2015 sale of £107,500. 11 years since the last transfer (March 2015).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Planning history
20 Erw Non has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Erw Non
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
20 Erw Non's estimated value is more than triple its earliest registered sale price (2002).
£205,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 12 years.
£107,500
Growth on file: 4.4% per year over 12 years.
Sales timeline
20 March 2015Most recent
£107,500
+19.4%over 2 years14 October 2012
£90,000
+44.0%over 10 years29 September 2002
£62,500
Median price across the last 5 sales in SA14 6BH: £190,000 (2025–2022).
Nearby sales in SA14 6BH
Versus other Erw Non homes
On price per m², 20 Erw Non runs well behind the street norm.
Price per m²
£1,181
Street avg £1,650
Floor Area
91 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.4 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Erw Non — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







