Ynys Celyn, Heol Y Nant, Llannon, Llanelli, SA14 6AE
About Ynys Celyn
Ynys Celyn is a detached house in Llannon, Llanelli, Llanelli (SA14 6AE). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (December 2014) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on lpg. The latest certificate is from December 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £340,000 sits 58.1% above the 2015 sale of £215,000. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 30% above the typical sold price in the postcode. On the market in August 2015 and unlisted since — roughly 11 years. At 114 m² it's 15.9% smaller than the typical home in the postcode (136 m² median across 24 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Dec 2024
EPC Rating
Planning history
Ynys Celyn has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Ynys Celyn
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
Ynys Celyn valuation sits well clear of the typical sold price in this postcode.
£340,000
Modelled from EPC, postcode comparables.
£215,000
Recorded with HM Land Registry.
Sales timeline
24 August 2015Most recent
£215,000
Median price across the last 5 sales in SA14 6AE: £362,000 (2025–2021).
Nearby sales in SA14 6AE
9 Heol Y Nant, Llannon, Llanelli, SA14 6AE
Sold Feb 2025
£292,500Bracken House, Heol Y Nant, Llannon, Llanelli, SA14 6AE
Sold Dec 2024
£415,00028 Heol Y Nant, Llannon, Llanelli, SA14 6AE
Sold Apr 2024
£362,00022 Heol Y Nant, Llannon, Llanelli, SA14 6AE
Sold Jun 2023
£417,500Walls End, Heol Y Nant, Llannon, Llanelli, SA14 6AE
Sold Apr 2021
£343,000
Versus other Heol Y Nant homes
Ynys Celyn outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,886
Street avg £1,857
Floor Area
114 m²
Street avg 143 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.8 t/year
Street avg 7.1 t/year
Similar properties nearby
1 Brodawel, Llannon
SA14 6BJ
1 Clos Aneurin, Cross Hands
SA14 6DQ
1 Clos Maes Rhedyn, Gorslas
SA14 6SG
1 Derwen Road, Tumble
SA14 6HG
1 Coed Y Cadno, Cwmgwili
SA14 6PX
1 Bryn Mwyn, Gorslas
SA14 6RQ
1 Clos Emily, Cross Hands
SA14 6SJ
1 Clos Y Ffynnon, Llannon
SA14 6AZ
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Maes Becca — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







