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Get started9 Mansel Street is a mid-terrace house in Llanelli (SA15 1DA). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (April 2019) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in February 2018 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Sale prices here have outpaced England HPI: 24.2% per year against 0% for the wider region. Today's modelled estimate of £134,000 is 26.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 57.3% above the typical sold price in the postcode. Last sale on file: £106,000 in February 2020.
Recommended upgrades on file would lift this property by multiple EPC bands.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 24.2% per year over 2 years.
£106,000
Growth on file: 24.2% per year over 2 years.
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Detailed AI analysis
9 Mansel Street outperforms the street on price per m² by a wide margin.
Price per m²
£1,432
Street avg £1,030
Floor Area
74 m²
Street avg 81 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
Mansel Street — bus stop.
Changes detected from historical EPC data
Hot water system changed
Roof insulation improved
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.
14 February 2020Most recent
£106,000
+44.2%over 1 year8 June 2018
£73,500
Median price across the last 5 sales in SA15 1DA: £129,995 (2025–2022).
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Detailed EPC data
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Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.1 t/year
SA15 1TB