22 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE
About 22 Dol Y Dderwen
22 Dol Y Dderwen is a three-bedroom detached house in Llangain, Carmarthen, Carmarthen (SA33 5BE). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (November 2025) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it A (October 2025); the latest reading is 4 bands lower. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity.
Held since March 2001 — that's 25 years off the open market, well above the local norm. Across 1998–2001, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £234,000 sits 207.9% above the 2001 sale of £76,000. On a £-per-square-foot basis, the last sale (£80/sq ft) was about 48.8% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs).
Know exactly what you're buying at 22 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemelectric
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
22 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 22 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
22 Dol Y Dderwen's estimated value is more than triple its earliest registered sale price (1998).
£234,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 3 years.
£76,000
Growth on file: 3.9% per year over 3 years.
Sales timeline
16 March 2001Most recent
£76,000
+11.8%over 2 years23 April 1998
£68,000
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 22 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
22 Dol Y Dderwen is notably below the street on price per m².
Price per m²
£864
Street avg £2,030
Floor Area
88 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.2 t/year
Street avg 1.8 t/year
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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.