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Get started47 Dillwyn Street is a mid-terrace house in Llanelli (SA15 1BT). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2025) shows a C (score 74). When first surveyed in June 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
At 103 m² the property is well over the postcode median (77 m² across 47 EPCs), placing it in the larger end of the local stock. Sale prices here have lagged England HPI: -1.4% per year against 0% for the wider region. Today's modelled estimate of £137,000 sits 104.5% above the 2020 sale of £67,000. Most recent transfer: January 2020 at £67,000.
47 Dillwyn Street saw 3 transfers in just over a decade — high turnover for the postcode.
£137,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.4% per year over 9 years.
£67,000
Growth on file: -1.4% per year over 9 years.
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47 Dillwyn Street outperforms the street on epc rating by a wide margin.
Price per m²
£650
Street avg £861
Floor Area
103 m²
Street avg 85 m²
Habitable Rooms
4 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
Talbot Street — bus stop.
Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
Window efficiency improved
Wall insulation improved
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.
16 January 2020Most recent
£67,000
-5.6%over 7 years7 December 2012
£71,000
-6.6%over 1 year18 May 2011
£76,000
Median price across the last 5 sales in SA15 1BT: £95,000 (2025–2022).
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Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.2 t/year