Average Electricity Bill UK 2026 by House Size: What You Will Pay

⚡ In a Rush? Key Takeaways

  • A one-bedroom flat uses 1,500–2,000 kWh yearly, costing £50–£65 monthly.
  • A three-bedroom house consumes 2,700 kWh, costing £85–£100 monthly.
  • Large homes (5+ bedrooms) use 4,500–6,000 kWh yearly, costing £140–£180 monthly.
  • ✅ Switch to LED lighting and fix your energy tariff to reduce bills.
Option Key stat Best for
One-bedroom flat 1,500–2,000 kWh/year Single occupants, low usage
Three-bedroom house 2,700 kWh/year Families, medium usage
Five+ bedroom house 4,500–6,000 kWh/year Large families, high usage

📊 Efficiency Verdict
Switching to LED lighting can reduce annual consumption by up to 18% across all property categories.