16 Heol Y Dderwen, Llandysul, SA44 4RW
About 16 Heol Y Dderwen
16 Heol Y Dderwen is a three-bedroom semi-detached house in Llandysul (SA44 4RW). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2020) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in August 2017 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to A (score 100), a 4-band jump. Main heating runs on electricity. Other recorded features include notable views and outbuildings. The home occupies a corner plot.
Across 2017–2023, sale prices on this property compounded at 7.6% per year. On a £-per-square-foot basis, the last sale (£205/sq ft) was about 63.6% above the typical sold price in the postcode. Last sale on file: £174,000 in November 2023.
Know exactly what you're buying at 16 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenWrap around
- GarageDouble
- OutbuildingsYes
- Notable viewsYes
- Corner plotYes
Building
- Central heatingYes
Energy performance
16 Heol Y Dderwen's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Planning history
16 Heol Y Dderwen has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
16 Heol Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£181,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 6 years.
£174,000
Growth on file: 7.6% per year over 6 years.
Sales timeline
7 November 2023Most recent
£174,000
+55.4%over 5 years10 November 2017
£112,000
Median price across the last 5 sales in SA44 4RW: £187,000 (2025–2020).
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
£205,000Brynawel, Heol Y Dderwen, Llandysul, SA44 4RW
Sold Nov 2022
£270,00020 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Dec 2018
£115,000
Everything we know about 16 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 co₂ emissions, 16 Heol Y Dderwen runs well behind the street norm.
Price per m²
£2,203
Street avg £1,873
Floor Area
79 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
7.7 t/year
Street avg 5.4 t/year
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1 Clifton Terrace
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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.