40 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
About 40 Clos Cilsaig
40 Clos Cilsaig is an end-of-terrace house in Dafen, Llanelli, Llanelli (SA14 8QU). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (September 2021) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, roof efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1996–2018, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £139,000 sits 58% above the 2018 sale of £88,000. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 38.1% above the typical sold price in the postcode. Most recent transfer: August 2018 at £88,000. Across the public record there are 5 sales, relatively high churn for a single property.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
40 Clos Cilsaig has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 40 Clos Cilsaig
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
Sale price has at least doubled since 1996.
£139,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 22 years.
£88,000
Growth on file: 4.3% per year over 22 years.
Sales timeline
15 August 2018Most recent
£88,000
-2.2%over 13 years21 September 2004
£89,995
+205.1%over 6 years23 April 1998
£29,500
-15.7%over 1 year23 May 1996
£35,000
+1.4%25 April 1996
£34,500
Median price across the last 5 sales in SA14 8QU: £128,500 (2025–2024).
Nearby sales in SA14 8QU
58 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
Sold Nov 2025
£128,50066 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
Sold Sept 2025
£145,00048 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
Sold Aug 2025
£130,00096 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
Sold Jan 2025
£114,00090 Clos Cilsaig, Dafen, Llanelli, SA14 8QU
Sold Oct 2024
£125,000
Versus other Clos Cilsaig homes
40 Clos Cilsaig is notably below the street on co₂ emissions.
Price per m²
£1,600
Street avg £1,780
Floor Area
55 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.4 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Clos Cilsaig — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







