13 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
About 13 Dol Y Dderwen
13 Dol Y Dderwen is a semi-detached house in Llangain, Carmarthen, Carmarthen (SA33 5BE). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 2023 and council tax band E. The latest certificate (February 2025) returns a B (score 81), comfortably above the UK average. When first surveyed in September 2014 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good; while main heating dropped from Good to Average. Main heating runs on electricity: electricity, unspecified tariff.
Today's modelled estimate of £248,000 is 45.9% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£202/sq ft) was about 29.7% above the typical sold price in the postcode. Last changed hands 12 years ago, in November 2014.
Know exactly what you're buying at 13 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
13 Dol Y Dderwen's carbon output is low for the local stock.
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 upgraded for better temperature management
High performance glazing installed
Wall insulation improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
13 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 13 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
13 Dol Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£248,000
Modelled from EPC, postcode comparables.
£170,000
Recorded with HM Land Registry.
Sales timeline
14 November 2014Most recent
£170,000
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 13 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 floor area, 13 Dol Y Dderwen runs well behind the street norm.
Price per m²
£2,179
Street avg £1,998
Floor Area
78 m²
Street avg 96 m²
CO₂ Emissions
0.4 t/year
Street avg 1.8 t/year
Years Held
12 years
Street avg 12 years
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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.