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Get started1 Gilbert Crescent is an end-of-terrace house in Llanelli (SA15 3PY). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2016) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in November 2011 the rating was G, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump.
Sale prices here have outpaced England HPI: 7.6% per year against 0.1% for the wider region. Today's modelled estimate of £140,000 is 12% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£145/sq ft) was about 72.6% above the typical sold price in the postcode. A recent sale: £125,000 in September 2025.
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has at least doubled since 2012.
£140,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 14 years.
£125,000
Growth on file: 7.6% per year over 14 years.
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Detailed AI analysis
On years held, 1 Gilbert Crescent runs well behind the street norm.
Price per m²
£1,563
Street avg £1,010
Floor Area
80 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Thomas Arms Hotel — bus stop.
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
29 September 2025Most recent
£125,000
+74.8%over 8 years13 January 2017
£71,500
+55.4%over 4 years26 January 2012
£46,000
Median price across the last 5 sales in SA15 3PY: £115,000 (2025–2022).
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Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
5.6 t/year
Street avg 5.8 t/year