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Get started21 Margam Place is a three-bedroom mid-terrace house in Llanelli (SA15 1DE). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band B. Tenure is freehold. The latest certificate (October 2024) 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 July 2011. Between certificates, roof efficiency went from Poor to Very Good, window efficiency went from Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Sale prices here have outpaced England HPI: 11.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 101.9% above the typical sold price in the postcode. Most recent transfer was April 2025 at £139,950 — fresh data.
Recommended upgrades on file would lift this property by multiple EPC bands.
21 Margam Place valuation sits well clear of the typical sold price in this postcode.
£145,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 4 years.
£139,950
Growth on file: 11.8% per year over 4 years.
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Detailed AI analysis
Price per m² for 21 Margam Place runs comfortably ahead of the street norm.
Price per m²
£1,646
Street avg £898
Floor Area
85 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Margam Place — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
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11 April 2025Most recent
£139,950
+64.6%over 4 years16 October 2020
£85,000
Median price across the last 5 sales in SA15 1DE: £117,000 (2023–2017).
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Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.9 t/year
SA15 1TN