Gwempe, Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
About Gwempe
Gwempe is a semi-detached house in Cwmgwili, Llanelli, Llanelli (SA14 6PH). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to before 1900. The latest certificate (June 2024) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. Main heating runs on oil.
Held since September 2001 — that's 25 years off the open market, well above the local norm. Across 1996–2001, sale prices on this property compounded at 21.9% per year. Today's modelled estimate of £152,000 sits 390.3% above the 2001 sale of £31,000. On a £-per-square-foot basis, the last sale (£42/sq ft) was about 55.6% below the postcode norm. At 68 m² it's 19% smaller than the typical home in the postcode (84 m² median across 18 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Gwempe has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Gwempe
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
Gwempe has more than doubled in price since the earliest registered sale in 1996.
£152,000
Modelled from EPC, postcode comparables and a sale-price growth of 21.9% per year over 5 years.
£31,000
Growth on file: 21.9% per year over 5 years.
Sales timeline
11 September 2001Most recent
£31,000
+158.3%over 4 years29 November 1996
£12,000
Median price across the last 5 sales in SA14 6PH: £180,000 (2025–2023).
Nearby sales in SA14 6PH
5 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Nov 2025
£210,0009 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Feb 2025
£180,000Aely Bryn, Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Mar 2024
£137,000Maes Y Gelli, Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Nov 2023
£200,0001 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Oct 2023
£170,000
Versus other Heol Y Deri homes
Gwempe is notably below the street on floor area.
Price per m²
£456
Street avg £1,429
Floor Area
68 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 6.2 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cwmgwili Playground — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







