1 Llys Y Dderwen, School Road, Llangain, Carmarthen, SA33 5AE
About 1 Llys Y Dderwen
1 Llys Y Dderwen is a semi-detached house in Llangain, Carmarthen, Carmarthen (SA33 5AE). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 2023 and council tax band D. The latest certificate (December 2023) returns a B (score 81), comfortably above the UK average. When first surveyed in May 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 Good to Very Good. Main heating runs on electricity: electricity, unspecified tariff.
Today's modelled estimate of £333,000 sits 137.9% above the 2014 sale of £140,000. On a £-per-square-foot basis, the last sale (£77/sq ft) was about 42.3% below the postcode norm. At 170 m² it's 20.6% larger than the typical home in the postcode (141 m² median across 9 EPCs). Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). On the market in October 2014 and unlisted since — roughly 12 years.
Know exactly what you're buying at 1 Llys 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Wall insulation improved
Loft insulation upgraded to recommended levels
Planning history
1 Llys 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 1 Llys 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
Latest sale on 1 Llys Y Dderwen was the lowest on Land Registry record across the postcode.
£333,000
Modelled from EPC, postcode comparables.
£140,000
Recorded with HM Land Registry.
Sales timeline
16 October 2014Most recent
£140,000
Median price across the last 5 sales in SA33 5AE: £347,500 (2024–2020).
Nearby sales in SA33 5AE
Old School House, School Road, Llangain, Carmarthen, SA33 5AE
Sold Aug 2024
£310,000Parsons Lea, School Road, Llangain, Carmarthen, SA33 5AE
Sold Jul 2024
£575,0002 Llys Y Dderwen, School Road, Llangain, Carmarthen, SA33 5AE
Sold Jun 2023
£185,000Brynderwen, School Road, Llangain, Carmarthen, SA33 5AE
Sold Oct 2022
£450,000Southlea, School Road, Llangain, Carmarthen, SA33 5AE
Sold Jan 2020
£347,500
Everything we know about 1 Llys 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 School Road homes
Price per m² for 1 Llys Y Dderwen lags the street by a wide margin.
Price per m²
£824
Street avg £1,895
Floor Area
170 m²
Street avg 153 m²
CO₂ Emissions
2.6 t/year
Street avg 6.9 t/year
Years Held
12 years
Street avg 5 years
Similar properties nearby
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Llangain Primary School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.