40 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
About 40 Carmarthen Road
40 Carmarthen Road is a two-bedroom semi-detached house in Cross Hands, Llanelli, Llanelli (SA14 6SU). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2022) shows a D (score 57), a step below the typical UK home. When first surveyed in August 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump. Main heating runs on oil. Our model identifies extension potential, subject to local planning policy.
At 66 m² it sits well below the postcode median (97 m² across 47 EPCs), making it one of the more compact homes locally. Across 2009–2019, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £148,000 is 49.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 40.6% above the typical sold price in the postcode. Last sale on file: £99,000 in March 2019.
What this property has
Inside
- Bedrooms2
- Open-plan layoutYes
- CloakroomYes
Outside
- ParkingYes
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Hot water efficiency decreased
More low energy lighting installed
Planning history
40 Carmarthen Road has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 40 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
40 Carmarthen Road valuation sits well clear of the typical sold price in this postcode.
£148,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 9 years.
£99,000
Growth on file: 3.1% per year over 9 years.
Sales timeline
5 March 2019Most recent
£99,000
+32.0%over 9 years18 December 2009
£75,000
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
£361,00042 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold Jun 2023
£75,00034 Carmarthen Road, Cross Hands, Llanelli, SA14 6SU
Sold May 2023
£139,950
Versus other Carmarthen Road homes
40 Carmarthen Road is notably below the street on floor area.
Price per m²
£1,500
Street avg £1,412
Floor Area
66 m²
Street avg 114 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 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.







