42 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
About 42 Carmarthen Road
42 Carmarthen Road is a two-bedroom semi-detached house in Cross Hands, Llanelli, Llanelli (SA14 6SU). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2020) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in July 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Poor to Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity.
Across 1996–2023, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £146,000 sits 94.7% above the 2023 sale of £75,000. One planning record on file: an extension approved in 2024. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 69 m² it's 29% smaller than the typical home in the postcode (97 m² median across 47 EPCs). Last sale on file: £75,000 in June 2023.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Hot water efficiency decreased
Window efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Planning history
- Feb 2024PorchFullIn report
Extension: Single storey · Rear of property
Timber-frame 1st floor bed and bath extension to the rear of the property. Covered porch to front of property
Extension- Documents
- 17 docs on file
- Reference
- PL/07075
We flagged 1 thing worth checking at 42 Carmarthen Road
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
42 Carmarthen Road has more than doubled in price since the earliest registered sale in 1996.
£146,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 27 years.
£75,000
Growth on file: 3.7% per year over 27 years.
Sales timeline
13 June 2023Most recent
£75,000
+50.0%over 20 years5 September 2002
£50,000
+4.2%over 10 months19 November 2001
£48,000
+33.3%over 1 year6 December 1999
£36,000
+28.6%over 3 years23 February 1996
£28,000
Median price across the last 5 sales in SA14 6SU: £175,000 (2025–2023).
Nearby sales in SA14 6SU
85 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold Nov 2025
£175,00065 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold Jul 2025
£225,00046 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold Sept 2023
£361,00034 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold May 2023
£139,95086 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold Mar 2023
£109,000
Versus other Carmarthen Road homes
42 Carmarthen Road is notably below the street on years held.
Price per m²
£1,087
Street avg £1,426
Floor Area
69 m²
Street avg 113 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 7.0 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cross Hands Primary School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







