18 Heol Seion, Llangennech, Llanelli, SA14 8TZ
About 18 Heol Seion
18 Heol Seion is a semi-detached house in Llangennech, Llanelli, Llanelli (SA14 8TZ). It has a recorded floor area of 55 m² (around 596 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (September 2009) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in August 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good. The latest certificate is from September 2009, so improvements made since then won't be reflected.
It hasn't traded since March 2010, a hold of 16 years that's notably long for the area. Today's modelled estimate of £166,000 sits 88.6% above the 2010 sale of £88,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Everything you need to know about 18 Heol Seion
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
18 Heol Seion's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Sept 2019
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Planning history
18 Heol Seion has an approved rear extension on the planning record.
- May 2011ConservatoryFullIn report
Extension: Rear of property
CONSERVATORY TO REAR ELEVATION
Extension- Documents
- 7 docs on file
- Reference
- S/24568
- Jul 2010ExtensionFullIn report
BEDROOM AND GARAGE EXTENSION
- Documents
- 7 docs on file
- Reference
- S/23043
We flagged 1 thing worth checking at 18 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
18 Heol Seion valuation sits well clear of the typical sold price in this postcode.
£166,000
Modelled from EPC, postcode comparables.
£88,000
Recorded with HM Land Registry.
Sales timeline
30 March 2010Most recent
£88,000
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
18 Heol Seion is notably below the street on floor area.
Price per m²
£1,590
Street avg £2,024
Floor Area
55 m²
Street avg 63 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.7 t/year
Everything you need to know about 18 Heol Seion
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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.