9 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
About 9 Coed Y Dderwen
9 Coed Y Dderwen is a semi-detached house in Cwmgwili, Llanelli, Llanelli (SA14 6DZ). It has a recorded floor area of 96 m² (around 1033 sq ft). The latest certificate (March 2020) returns a high B (score 89), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 94). Main heating runs on electricity: electricity, unspecified tariff.
At 96 m² the property is well over the postcode median (72 m² across 23 EPCs), placing it in the larger end of the local stock. Across 2020–2023, sale prices on this property compounded at 12% per year. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 31.2% above the typical sold price in the postcode. Sold March 2023 for £223,000.
Energy performance
9 Coed Y Dderwen's carbon output is low for the local stock.
EPC Rating
Planning history
9 Coed Y Dderwen has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Coed Y Dderwen
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
9 Coed Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£238,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.0% per year over 3 years.
£223,000
Growth on file: 12.0% per year over 3 years.
Sales timeline
10 March 2023Most recent
£223,000
+39.4%over 2 years31 March 2020
£160,000
Median price across the last 5 sales in SA14 6DZ: £197,500 (2025–2020).
Nearby sales in SA14 6DZ
10 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
Sold Apr 2025
£220,00013 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
Sold May 2023
£249,0001 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
Sold May 2023
£177,0007 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
Sold Dec 2020
£165,00011 Coed Y Dderwen, Cwmgwili, Llanelli, SA14 6DZ
Sold Jul 2020
£130,000
Versus other Coed Y Dderwen homes
On floor area, 9 Coed Y Dderwen stands well clear of the street.
Price per m²
£2,323
Street avg £2,038
Floor Area
96 m²
Street avg 82 m²
CO₂ Emissions
0.9 t/year
Street avg 1.2 t/year
Years Held
3 years
Street avg 5 years
Similar properties nearby
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SA14 6EJ
1 Clos Gwyn, Tumble
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1 Clos Gwili, Cwmgwili
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1 Coed Y Dderwen, Cwmgwili
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1 Clos Maes Rhedyn, Gorslas
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1 Bryn Rhos, Llannon
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1 Clos Aneurin, Cross Hands
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1 Clos Erw Werdd, Cross Hands
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Lotwen Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







