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Get started123 James Street is a three-bedroom mid-terrace house in Llanelli (SA15 1EB). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in September 2021 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
Sale prices here have outpaced England HPI: 3.6% per year against 0.4% for the wider region. Today's modelled estimate of £142,000 is 13.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£102/sq ft) was about 34% above the typical sold price in the postcode. A recent sale: £125,000 in August 2025. At 114 m² it's 24.7% larger than the typical home in the postcode (91 m² median across 17 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
123 James Street valuation sits well clear of the typical sold price in this postcode.
£142,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 4 years.
£125,000
Growth on file: 3.6% per year over 4 years.
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Detailed AI analysis
123 James Street is notably below the street on years held.
Price per m²
£1,096
Street avg £855
Floor Area
114 m²
Street avg 100 m²
Habitable Rooms
4 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bryntirion Hospital — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 August 2025Most recent
£125,000
+13.6%over 3 years21 January 2022
£109,995
Median price across the last 5 sales in SA15 1EB: £105,000 (2025–2017).
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Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.5 t/year
SA15 1TN