4 Heol Seion, Llangennech, Llanelli, SA14 8TZ
About 4 Heol Seion
4 Heol Seion is a semi-detached house in Llangennech, Llanelli, Llanelli (SA14 8TZ). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (August 2015) shows a C (score 73). The recommended improvements would lift it to A (score 112), a 2-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 71% of similar 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This certificate is over 10 years old and is no longer valid.Expired 19 Aug 2025
EPC Rating
Planning history
4 Heol Seion has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Heol Seion
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
4 Heol Seion has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£161,000
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 SA14 8TZ: £180,000 (2024–2022).
Nearby sales in SA14 8TZ
16 Heol Seion, Llangennech, Llanelli, SA14 8TZ
Sold Aug 2024
£180,00026 Heol Seion, Llangennech, Llanelli, SA14 8TZ
Sold Feb 2023
£195,00024 Heol Seion, Llangennech, Llanelli, SA14 8TZ
Sold Jan 2023
£145,00013 Heol Seion, Llangennech, Llanelli, SA14 8TZ
Sold May 2022
£249,95015 Heol Seion, Llangennech, Llanelli, SA14 8TZ
Sold May 2022
£172,500
Versus other Heol Seion homes
On epc rating, 4 Heol Seion stands well clear of the street.
EPC Rating
73 (C)
Street avg 66 (D)
Floor Area
65 m²
Street avg 63 m²
CO₂ Emissions
2.2 t/year
Street avg 2.8 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol Plas Isaf — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







