10 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
About 10 Dol Y Dderwen
10 Dol Y Dderwen is a semi-detached house in Llangain, Carmarthen, Carmarthen (SA33 5BE). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 2025 and council tax band E. The latest certificate (August 2025) returns an A (score 92), the top energy band on the EPC scale. Main heating runs on electricity: electricity, unspecified tariff.
Its energy rating outperforms most of the postcode (better than 77% of similar EPCs).
Know exactly what you're buying at 10 Dol Y Dderwen
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
10 Dol Y Dderwen's carbon output is low for the local stock.
EPC Rating
Planning history
10 Dol 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 10 Dol 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
10 Dol Y Dderwen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£284,000
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 SA33 5BE: £270,000 (2025–2022).
Nearby sales in SA33 5BE
25 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
Sold Feb 2025
£240,00017 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
Sold Sept 2024
£330,00053 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
Sold Jul 2023
£327,0008 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
Sold Feb 2023
£250,00043 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
Sold Oct 2022
£345,000
Everything we know about 10 Dol Y Dderwen, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Dol Y Dderwen homes
On co₂ emissions, 10 Dol Y Dderwen stands well clear of the street.
EPC Rating
92 (A)
Street avg 75 (C)
Floor Area
92 m²
Street avg 96 m²
CO₂ Emissions
0.1 t/year
Street avg 1.8 t/year
Similar properties nearby
1 Dol Y Dderwen, Llangain
SA33 5BE
1 Blaenwaun, Meidrim
SA33 5PQ
1 Coomb Drive, Llangynog
SA33 5HR
1 Cwrt Melin, Bancyfelin
SA33 5NB
1 Llys Y Dderwen, School Road, Llangain
SA33 5AE
1 Brondeg Cottages, Llansteffan
SA33 5JJ
1 Innisfree Cottages, Llansteffan
SA33 5LW
1 Cwmclyd, Llansteffan
SA33 5EX
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Capel Smyrna — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.