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Get started10 Dillwyn Street is a mid-terrace house in Llanelli (SA15 1BU). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2020) shows a D (score 56), a step below the typical UK home. When first surveyed in July 2015 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 73).
Sale prices here have outpaced England HPI: 4% per year against 0.1% for the wider region. Today's modelled estimate of £129,000 is 19.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 42.5% above the typical sold price in the postcode. Most recent transfer was September 2025 at £108,000 — fresh data. At 96 m² it's 26.3% larger than the typical home in the postcode (76 m² median across 43 EPCs).
Sale price has grown by over 3x since 1996.
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 29 years.
£108,000
Growth on file: 4.0% per year over 29 years.
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Detailed AI analysis
Years Held for 10 Dillwyn Street lags the street by a wide margin.
Price per m²
£1,125
Street avg £877
Floor Area
96 m²
Street avg 87 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
Talbot Street — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Mechanical ventilation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
5 September 2025Most recent
£108,000
+8.0%over 10 years10 August 2015
£100,000
+194.1%over 19 years22 March 1996
£34,000
Median price across the last 5 sales in SA15 1BU: £90,000 (2024–2022).
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Street avg 4 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.4 t/year
SA15 1TB