16 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
About 16 Clos Y Cwm
16 Clos Y Cwm is a semi-detached house in Penygroes, Llanelli, Llanelli (SA14 7RG). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (February 2026) returns an A (score 93), the top energy band on the EPC scale. When first surveyed in September 2023 the rating was D, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Poor to Good and main heating went from Poor to Good; while window efficiency dropped from Average to Poor. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 59 m² it's 26.3% smaller than the typical home in the postcode (80 m² median across 24 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
Everything you need to know about 16 Clos Y Cwm
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
16 Clos Y Cwm ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Hot water efficiency improved
More low energy lighting installed
Planning history
16 Clos Y Cwm has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 16 Clos Y Cwm
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
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Sales history & valuation
16 Clos Y Cwm has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£141,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA14 7RG: £150,000 (2025–2023).
Nearby sales in SA14 7RG
21 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
Sold May 2025
£150,0009 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
Sold Jun 2024
£144,00035 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
Sold Apr 2024
£154,00033 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
Sold Nov 2023
£175,0005 Clos Y Cwm, Penygroes, Llanelli, SA14 7RG
Sold Oct 2023
£122,000
Versus other Clos Y Cwm homes
On epc rating, 16 Clos Y Cwm stands well clear of the street.
EPC Rating
93 (A)
Street avg 66 (D)
Floor Area
59 m²
Street avg 80 m²
CO₂ Emissions
0.1 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Everything you need to know about 16 Clos Y Cwm
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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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
David's Way — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.