4 Ffosyceilog, Llannon, Llanelli, SA14 6AB
About 4 Ffosyceilog
4 Ffosyceilog is a detached house in Llannon, Llanelli, Llanelli (SA14 6AB). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2025) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on oil.
Held since January 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 162 m² it's 27.6% larger than the typical home in the postcode (127 m² median across 5 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 1997–2007, sale prices on this property compounded at 15.2% per year. Today's modelled estimate of £347,000 is 38.8% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 33.6% above the typical sold price in the postcode.
Energy performance
4 Ffosyceilog's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
4 Ffosyceilog has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Ffosyceilog
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 Ffosyceilog was the highest on Land Registry record across the postcode.
£347,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.2% per year over 9 years.
£249,950
Growth on file: 15.2% per year over 9 years.
Sales timeline
12 January 2007Most recent
£249,950
+79.8%over 3 years7 February 2003
£139,000
+104.4%over 5 years30 October 1997
£68,000
Median price across the last 5 sales in SA14 6AB: £146,710 (2017–1999).
Versus other Ffosyceilog homes
On price per m², 4 Ffosyceilog stands well clear of the street.
Price per m²
£1,543
Street avg £671
Floor Area
162 m²
Street avg 152 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
8.5 t/year
Street avg 11.7 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Old School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







