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Get started10 Marsh Street is a mid-terrace house in Llanelli (SA15 1AU). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2012) shows an F (score 36), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 75), a 3-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected.
It hasn't traded since September 2001, a hold of 25 years that's notably long for the area. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £128,000 sits 481.8% above the 2001 sale of £22,000. On a £-per-square-foot basis, the last sale (£19/sq ft) was about 69.9% below the postcode norm.
10 Marsh Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 05 Sept 2022
10 Marsh Street's modelled value sits at over four times its earliest registered sale price (2001).
£128,000
Modelled from EPC, postcode comparables.
£22,000
Recorded with HM Land Registry.
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On price per m², 10 Marsh Street runs well behind the street norm.
Price per m²
£202
Street avg £678
Floor Area
109 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 6 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
Hick Street — bus stop.
20 September 2001Most recent
£22,000
Median price across the last 5 sales in SA15 1AU: £96,000 (2025–2020).
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CO₂ Emissions
8.4 t/year
Street avg 5.4 t/year