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Get started1 Clos Penyfai is a four-bedroom detached house in Llanelli (SA15 4EJ). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (November 2020) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2009. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Poor and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 72), a 2-band jump. Other recorded features include notable views.
At 187 m² it sits well below the postcode median (322 m² across 3 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £572,000 is 31.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 40% above the typical sold price in the postcode. Most recent transfer: February 2021 at £435,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
1 Clos Penyfai's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£572,000
Modelled from EPC, postcode comparables.
£435,000
Recorded with HM Land Registry.
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Detailed AI analysis
1 Clos Penyfai is notably below the street on epc rating.
EPC Rating
54 (E)
Street avg 69 (C)
Floor Area
187 m²
Street avg 295 m²
CO₂ Emissions
10.0 t/year
Street avg 9.8 t/year
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Denham Avenue North — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 February 2021Most recent
£435,000
Median price across the last 5 sales in SA15 4EJ: £430,000 (2022–2005).
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Habitable Rooms
8 rooms
Street avg 8 rooms
SA15 4NS