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Get started18 Caswell Street is a three-bedroom semi-detached house in Llanelli (SA15 1BS). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2014) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2011); the latest reading is one band lower. Between certificates, wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 0.8% per year against 0% for the wider region. Today's modelled estimate of £177,000 sits 50% above the 2015 sale of £118,000. At 128 m² it's 22.2% larger than the typical home in the postcode (105 m² median across 21 EPCs). 11 years since the last transfer (June 2015).
18 Caswell Street's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 24 Jan 2024
18 Caswell Street valuation sits well clear of the typical sold price in this postcode.
£177,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.8% per year over 8 years.
£118,000
Growth on file: 0.8% per year over 8 years.
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On habitable rooms, 18 Caswell Street stands well clear of the street.
Price per m²
£922
Street avg £986
Floor Area
128 m²
Street avg 110 m²
Habitable Rooms
7 rooms
Street avg 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
Tyisha Road — bus stop.
5 June 2015Most recent
£118,000
+7.3%over 8 years15 December 2006
£110,000
Median price across the last 5 sales in SA15 1BS: £80,000 (2025–2018).
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CO₂ Emissions
6.8 t/year
Street avg 6.0 t/year
SA15 1TN