4 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
About 4 Clos Gwyn
4 Clos Gwyn is a semi-detached house in Tumble, Llanelli, Llanelli (SA14 6AJ). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (July 2019) shows a C (score 74). Earlier certificates rated it B (February 2009); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88). Main heating runs on oil.
Across 2016–2017, sale prices on this property compounded at -0.9% per year. Today's modelled estimate of £172,000 sits 73.7% above the 2017 sale of £99,000. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 16.4% below the postcode norm. Last sold in February 2017, so it's been off the market for around 9 years.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
4 Clos Gwyn has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Clos Gwyn
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
Latest sale on 4 Clos Gwyn was the lowest on Land Registry record across the postcode.
£172,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.9% per year over 1 year.
£99,000
Growth on file: -0.9% per year over 1 year.
Sales timeline
15 February 2017Most recent
£99,000
-1.0%over 1 year12 January 2016
£100,000
Median price across the last 5 sales in SA14 6AJ: £172,000 (2025–2019).
Nearby sales in SA14 6AJ
5 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
Sold Jun 2025
£172,0002 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
Sold Feb 2025
£215,0003 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
Sold Jan 2023
£157,5001 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
Sold Jun 2021
£187,5006 Clos Gwyn, Tumble, Llanelli, SA14 6AJ
Sold Feb 2015
£100,000
Versus other Clos Gwyn homes
Floor Area for 4 Clos Gwyn lags the street by a wide margin.
Price per m²
£1,269
Street avg £1,765
Floor Area
78 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.2 t/year
Similar properties nearby
1 Clos Y Gwendraeth, Gorslas
SA14 6DJ
1 Clos Y Delfryn, Tumble
SA14 6EN
1 Craig Y Llety, Upper Tumble
SA14 6BZ
1 Bethesda Road, Tumble
SA14 6HY
1 Clos Pen Y Waun, Cross Hands
SA14 6SQ
1 Clos Erw Werdd, Cross Hands
SA14 6NJ
1 Banc Y Gors, Upper Tumble
SA14 6BR
1 Bryn Rhos, Llannon
SA14 6AW
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bethesda Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







