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Get started34 Heol Y Banc is a semi-detached house in Bancffosfelen, Llanelli, Llanelli (SA15 5DH). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2021) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in July 2020 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Sale prices here have outpaced England HPI: 3.7% per year against 0.4% for the wider region. Today's modelled estimate of £151,000 is 25.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 58.5% above the typical sold price in the postcode. Most recent transfer was October 2025 at £120,000 — fresh data. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. At 73 m² it's 28.4% smaller than the typical home in the postcode (102 m² median across 24 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Council records include a two-storey rear extension at 34 Heol Y Banc.
Extension: Two storey · Rear of property
Two storey rear extension
34 Heol Y Banc valuation sits well clear of the typical sold price in this postcode.
£151,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 5 years.
£120,000
Growth on file: 3.7% per year over 5 years.
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Detailed AI analysis
34 Heol Y Banc is notably below the street on years held.
Price per m²
£1,644
Street avg £1,182
Floor Area
73 m²
Street avg 102 m²
Habitable Rooms
4 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ffordd Aneurin — bus stop.
Changes detected from historical EPC data
Switched from solid fuel to cleaner energy source
Hot water system upgraded
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 October 2025Most recent
£120,000
+20.0%over 5 years19 October 2020
£100,000
Median price across the last 5 sales in SA15 5DH: £130,000 (2024–2022).
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Comparable homes and street-level pricing
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Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 7.7 t/year
SA15 5PW