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Get started18 Dythel Park is a three-bedroom semi-detached house in Llanelli (SA15 4RR). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (November 2025) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in June 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced England HPI: 5.6% per year against 0% for the wider region. Today's modelled estimate of £181,000 sits 56% above the 2018 sale of £116,000. On a £-per-square-foot basis, the last sale (£125/sq ft) was about 27.5% above the typical sold price in the postcode. Last sale on file: £116,000 in November 2018.
Sale price has at least doubled since 2001.
£181,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 17 years.
£116,000
Growth on file: 5.6% per year over 17 years.
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Detailed AI analysis
18 Dythel Park outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,349
Street avg £1,197
Floor Area
86 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dythel Park — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 November 2018Most recent
£116,000
+41.5%over 5 years31 May 2013
£82,000
+82.2%over 12 years25 May 2001
£45,000
Median price across the last 5 sales in SA15 4RR: £149,950 (2024–2022).
An AI-written breakdown of everything that matters
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CO₂ Emissions
3.2 t/year
Street avg 4.5 t/year
SA15 4NS