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🇬🇧 UK Heating Fuel & Energy Cost Guide
Your Simple Guide to comparing Fuel & Energy costs (Revised Sept 2026 London UK)
At Gasdelivered.co.uk, we realise that comparing heating costs across different fuel types can be confusing when electricity is priced in kilowatt-hours (kWh), heating oil in litres, wood in cubic metres, and gas bottles in kilograms.
This guide standardises all major UK heating sources into a single metric: Cost per kWh of Useful Heat Delivered.
FAQS
💡 Why "Useful Heat" Matters
Raw fuel price doesn't tell the whole story. Every heating system loses some energy during operation:
Boilers & Stoves lose heat through flue gases and chimneys (operating at 75%–92% efficiency).
Direct Electric heaters convert 100% of electricity into heat.
Heat Pumps transfer heat from the environment, delivering up to 300% efficiency (CoP 3.0)—meaning 1 kWh of electricity yields 3 kWh of warmth.
🔍 How to Use This Comparison
Sorted by Economy: Fuels are ordered from cheapest to most expensive based on actual heat output into your home.
Off-Grid Options: If you are off the gas grid, compare bulk oil, bottled LPG, heat pumps, and firewood side by side.
Interactive Calculator: Use the tool below to estimate your house’s total annual heating bill based on your annual energy consumption.
We hope this is helpful, and feel free to call 07396 821000 with any questions
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