15 Heol Y Dderwen, Llandysul, SA44 4RW
About 15 Heol Y Dderwen
15 Heol Y Dderwen is an end-of-terrace house in Llandysul (SA44 4RW). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (February 2024) shows a D (score 57), a step below the typical UK home. When first surveyed in August 2011 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Poor to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil.
At 56 m² it sits well below the postcode median (80 m² across 17 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 15 Heol Y Dderwen
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Planning history
15 Heol Y Dderwen has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
15 Heol Y Dderwen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
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 SA44 4RW: £187,000 (2025–2022).
Nearby sales in SA44 4RW
7 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Apr 2025
£180,00019 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Sept 2024
£187,00017 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Dec 2023
£205,00016 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Nov 2023
£174,000Brynawel, Heol Y Dderwen, Llandysul, SA44 4RW
Sold Nov 2022
£270,000
Everything we know about 15 Heol Y Dderwen, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Heol Y Dderwen homes
On habitable rooms, 15 Heol Y Dderwen runs well behind the street norm.
EPC Rating
57 (D)
Street avg 54 (E)
Floor Area
56 m²
Street avg 84 m²
CO₂ Emissions
3.9 t/year
Street avg 5.6 t/year
Habitable Rooms
3 rooms
Street avg 5 rooms
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1 Green Hill
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1 Lewis Street, Pontwelly
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1 Barley Mow
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Tan y Bryn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.