9 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
About 9 Clos Treventy
9 Clos Treventy is a five-bedroom detached house in Cefneithin, Llanelli, Llanelli (SA14 7DH). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (February 2017) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). Main heating runs on oil.
Across 2008–2018, sale prices on this property compounded at -0.5% per year. Today's modelled estimate of £428,000 sits 55.6% above the 2018 sale of £275,000. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Last sale on file: £275,000 in August 2018.
What this property has
Inside
- Bedrooms5
Energy performance
9 Clos Treventy's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
9 Clos Treventy has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Clos Treventy
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
9 Clos Treventy's sale-price growth has lagged the wider UK trajectory across its history on file.
£428,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.5% per year over 10 years.
£275,000
Growth on file: -0.5% per year over 10 years.
Sales timeline
9 August 2018Most recent
£275,000
-5.2%over 10 years5 June 2008
£290,000
Median price across the last 5 sales in SA14 7DH: £282,500 (2025–2019).
Nearby sales in SA14 7DH
8 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
Sold Feb 2025
£428,00014 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
Sold Jun 2023
£259,9504 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
Sold Dec 2021
£335,0001 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
Sold Apr 2019
£282,50011 Clos Treventy, Cefneithin, Llanelli, SA14 7DH
Sold Dec 2018
£279,580
Versus other Clos Treventy homes
On epc rating, 9 Clos Treventy runs well behind the street norm.
Price per m²
£1,440
Street avg £1,766
Floor Area
191 m²
Street avg 175 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
6.3 t/year
Street avg 5.3 t/year
Similar properties nearby
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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
Heol Treventy — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







