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Get started2 Marsh Street is a mid-terrace house in Llanelli (SA15 1AU). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2024) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in November 2008 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 81), a 3-band jump.
Held since August 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 165 m² the property is well over the postcode median (107 m² across 12 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Today's modelled estimate of £142,000 sits 71.1% above the 2007 sale of £83,000. On a £-per-square-foot basis, the last sale (£47/sq ft) was about 24.9% below the postcode norm.
2 Marsh Street's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£142,000
Modelled from EPC, postcode comparables.
£83,000
Recorded with HM Land Registry.
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Detailed AI analysis
Floor Area for 2 Marsh Street runs comfortably ahead of the street norm.
Price per m²
£503
Street avg £618
Floor Area
165 m²
Street avg 108 m²
Habitable Rooms
7 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.
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 August 2007Most recent
£83,000
Median price across the last 5 sales in SA15 1AU: £96,000 (2025–2020).
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Street avg 5 rooms
CO₂ Emissions
8.3 t/year
Street avg 5.4 t/year
SA15 1NT