17 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
About 17 Clos Plas Isaf
17 Clos Plas Isaf is a detached house in Llangennech, Llanelli, Llanelli (SA14 8RX). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (December 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and lighting went from Poor to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Untraded for 24 years, with the last transfer in February 2002. Across 1999–2002, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £193,000 sits 211.3% above the 2002 sale of £62,000. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 20.2% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
17 Clos Plas Isaf has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 17 Clos Plas Isaf
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
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Sales history & valuation
17 Clos Plas Isaf's estimated value is more than triple its earliest registered sale price (1999).
£193,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 3 years.
£62,000
Growth on file: 3.8% per year over 3 years.
Sales timeline
5 February 2002Most recent
£62,000
+11.1%over 2 years26 March 1999
£55,790
Median price across the last 5 sales in SA14 8RX: £135,000 (2024–2020).
Nearby sales in SA14 8RX
3 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
Sold Aug 2024
£170,0001 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
Sold Jun 2023
£260,00014 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
Sold Sept 2021
£122,0004 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
Sold Mar 2020
£90,0006 Clos Plas Isaf, Llangennech, Llanelli, SA14 8RX
Sold Dec 2013
£108,000
Versus other Clos Plas Isaf homes
17 Clos Plas Isaf outperforms the street on years held by a wide margin.
Price per m²
£785
Street avg £1,641
Floor Area
79 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.1 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
0.2 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.







