17 Heol Y Dderwen, Llandysul, SA44 4RW
About 17 Heol Y Dderwen
17 Heol Y Dderwen is a three-bedroom semi-detached house in Llandysul (SA44 4RW). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2014) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil. The latest certificate is from January 2014, so improvements made since then won't be reflected. Other recorded features include outbuildings.
Across 2018–2023, sale prices on this property compounded at 11.2% per year. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 85.7% above the typical sold price in the postcode. Last sale on file: £205,000 in December 2023.
Know exactly what you're buying at 17 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
Outside
- Private gardenYes
- OutbuildingsYes
Building
- RefurbishedYes
Energy performance
17 Heol Y Dderwen's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Jan 2024
EPC Rating
Planning history
17 Heol Y Dderwen has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
17 Heol Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£206,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.2% per year over 5 years.
£205,000
Growth on file: 11.2% per year over 5 years.
Sales timeline
20 December 2023Most recent
£205,000
+78.3%over 5 years12 July 2018
£115,000
Median price across the last 5 sales in SA44 4RW: £180,000 (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
£187,00016 Heol Y Dderwen, Llandysul, SA44 4RW
Sold Nov 2023
£174,000Brynawel, 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 17 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
Price per m² for 17 Heol Y Dderwen runs comfortably ahead of the street norm.
Price per m²
£2,500
Street avg £1,836
Floor Area
82 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.4 t/year
Street avg 5.4 t/year
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1 Fair View, Seion Hill
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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.