5 Heol Seion, Llangennech, Llanelli, SA14 8TZ
About 5 Heol Seion
5 Heol Seion is a two-bedroom semi-detached house in Llangennech, Llanelli, Llanelli (SA14 8TZ). It has a recorded floor area of 70 m² (around 748 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (February 2010) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from February 2010, so improvements made since then won't be reflected.
Untraded for 25 years, with the last transfer in April 2001. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £127,000 sits 234.2% above the 2001 sale of £38,000. On a £-per-square-foot basis, the last sale (£51/sq ft) was about 61.2% below the postcode norm.
What this property has
Inside
- Bedrooms2
Energy performance
5 Heol Seion sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Feb 2020
EPC Rating
Planning history
5 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 5 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
5 Heol Seion's estimated value is more than triple its earliest registered sale price (2001).
£127,000
Modelled from EPC, postcode comparables.
£38,000
Recorded with HM Land Registry.
Sales timeline
26 April 2001Most recent
£38,000
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
Price per m² for 5 Heol Seion lags the street by a wide margin.
Price per m²
£547
Street avg £2,104
Floor Area
70 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 2.6 t/year
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.







