33 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
About 33 Heol Cwmmawr
33 Heol Cwmmawr is a four-bedroom detached house in Drefach, Llanelli, Llanelli (SA14 7AA). It has a recorded floor area of 200 m² (around 2153 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2025) shows a C (score 78), near the top of the C band. When first surveyed in September 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Very Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 81). Main heating runs on electricity.
At 200 m² the property is well over the postcode median (113 m² across 13 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £412,000 sits 258.3% above the 2013 sale of £115,000. On a £-per-square-foot basis, the last sale (£53/sq ft) was about 43.9% below the postcode norm. Last sold in August 2013, so it's been off the market for around 13 years. One historical planning record sits against the property in 2014.
What this property has
Inside
- Bedrooms4
- CloakroomYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Loft insulation installed or upgraded to 250mm+
Mechanical ventilation installed
Planning history
- May 2014RenovationFullIn report
PROPOSED ROOF ALTERATIONS INCLUDING RAISING RIDGE LEVEL
- Documents
- 7 docs on file
- Reference
- W/29999
We flagged 1 thing worth checking at 33 Heol Cwmmawr
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
33 Heol Cwmmawr's estimated value is more than triple its earliest registered sale price (2013).
£412,000
Modelled from EPC, postcode comparables.
£115,000
Recorded with HM Land Registry.
Sales timeline
22 August 2013Most recent
£115,000
Median price across the last 5 sales in SA14 7AA: £190,000 (2023–2016).
Nearby sales in SA14 7AA
22 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Oct 2023
£220,00020 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Nov 2022
£207,00017 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Aug 2021
£190,00028 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Apr 2018
£155,00047a, Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Apr 2016
£185,000
Versus other Heol Cwmmawr homes
33 Heol Cwmmawr outperforms the street on floor area by a wide margin.
Price per m²
£575
Street avg £1,364
Floor Area
200 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.7 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
0.0 km
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







