19 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
About 19 Dol Y Dderwen
19 Dol Y Dderwen is a four-bedroom mid-terrace house in Llangain, Carmarthen, Carmarthen (SA33 5BE). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 2025 and council tax band E. The latest certificate (November 2025) returns an A (score 94), the top energy band on the EPC scale. When first surveyed in April 2014 the rating was E, the property has climbed 4 bands since. Between certificates, wall efficiency went from Good to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. Main heating runs on electricity: electricity, unspecified tariff. Other recorded features include a conservatory, a self-contained annexe and attached land beyond the plot.
Today's modelled estimate of £285,000 sits 68.6% above the 2014 sale of £169,000. On a £-per-square-foot basis, the last sale (£196/sq ft) was about 25.7% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). 12 years since the last transfer (June 2014).
Know exactly what you're buying at 19 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
What this property has
Inside
- Bedrooms4
- EnsuiteYes
- ConservatoryYes
Outside
- LandYes
Building
- Heating systemlpg
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency improved
High performance glazing installed
Wall insulation improved
Floor insulation added or improved
More low energy lighting installed
Planning history
19 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 19 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
19 Dol Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£285,000
Modelled from EPC, postcode comparables.
£169,000
Recorded with HM Land Registry.
Sales timeline
5 June 2014Most recent
£169,000
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 19 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 epc rating, 19 Dol Y Dderwen stands well clear of the street.
Price per m²
£2,113
Street avg £2,000
Floor Area
80 m²
Street avg 96 m²
CO₂ Emissions
0.0 t/year
Street avg 1.8 t/year
Years Held
12 years
Street avg 12 years
Similar properties nearby
1 Coedmor Avenue, Llangain
SA33 5AF
1 High Street, Bancyfelin
SA33 5ND
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
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.