15 Heol Treventy, Cross Hands, Llanelli, SA14 6TE
About 15 Heol Treventy
15 Heol Treventy is a four-bedroom detached house in Cross Hands, Llanelli, Llanelli (SA14 6TE). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2025) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in April 2012 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 91), a 2-band jump. Main heating runs on oil.
Held since September 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 163 m² the property is well over the postcode median (102 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £354,000 sits 96.7% above the 2007 sale of £180,000. 4 planning records sit against the property, 3 approved, 0 refused.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
15 Heol Treventy's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
High performance glazing installed
Roof insulation improved
Low energy lighting percentage decreased
Planning history
- Aug 2020FullIn report
BUILD A GARAGE. THERE IS A REINFORCED CONCRETE SLAB ALREADY DETAILED IN PLANS READY FOR THE GARAGE
- Documents
- 7 docs on file
- Reference
- W/40761
- Apr 2014
We flagged 1 thing worth checking at 15 Heol 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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£354,000
Modelled from EPC, postcode comparables.
£180,000
Recorded with HM Land Registry.
Sales timeline
13 September 2007Most recent
£180,000
Median price across the last 5 sales in SA14 6TE: £175,000 (2023–2020).
Nearby sales in SA14 6TE
8 Heol Treventy, Cross Hands, Llanelli, SA14 6TE
Sold Sept 2023
£160,00017 Heol Treventy, Cross Hands, Llanelli, SA14 6TE
Sold Mar 2022
£222,50014 Heol Treventy, Cross Hands, Llanelli, SA14 6TE
Sold Jan 2022
£230,00011 Heol Treventy, Cross Hands, Llanelli, SA14 6TE
Sold Jun 2021
£114,000Treventy House, Heol Treventy, Cross Hands, Llanelli, SA14 6TE
Sold Dec 2020
£175,000
Versus other Heol Treventy homes
15 Heol Treventy outperforms the street on floor area by a wide margin.
Price per m²
£1,104
Street avg £1,443
Floor Area
163 m²
Street avg 106 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.4 t/year
Street avg 5.6 t/year
Similar properties nearby
1 Coed Y Cadno, Cwmgwili
SA14 6PX
1 Clos Aneurin, Cross Hands
SA14 6DQ
1 Bryn Mwyn, Gorslas
SA14 6RQ
1 Clos Gwyn, Tumble
SA14 6AJ
1 Clos Gwili, Cwmgwili
SA14 6AQ
1 Bethesda Road, Tumble
SA14 6HY
1 Brodawel, Llannon
SA14 6BJ
1 Derwen Road, Tumble
SA14 6HG
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.







