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Get started20 Dillwyn Street is a mid-terrace house in Llanelli (SA15 1BU). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2024) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump.
Recommended upgrades on file would lift this property by multiple EPC bands.
20 Dillwyn Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£114,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Floor Area for 20 Dillwyn Street lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 61 (D)
Floor Area
71 m²
Street avg 88 m²
CO₂ Emissions
3.2 t/year
Street avg 4.4 t/year
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
Talbot Street — bus stop.
Changes detected from historical EPC data
Hot water efficiency decreased
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SA15 1BU: £92,000 (2025–2023).
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Habitable Rooms
4 rooms
Street avg 4 rooms