Business gas prices
Business gas is usually a much lower unit rate than electricity, but heating, hot water and cooking loads mean the annual bill can still be substantial. Use the benchmarks below as a guide before comparing quotes.
Average gas rates by business size
| Business size | Annual usage | Unit rate | Standing charge | Typical annual cost |
|---|---|---|---|---|
| Micro business | Up to 10,000 kWh | 6.9p | 38p/day | £830 |
| Small business | 10,000 – 25,000 kWh | 6.4p | 44p/day | £1,760 |
| Small/medium | 25,000 – 50,000 kWh | 6.1p | 55p/day | £3,250 |
| Medium business | 50,000 – 100,000 kWh | 5.8p | 82p/day | £6,100 |
| Large business | 100,000 kWh+ | 5.5p | £1.20/day | £11,900 |
Market benchmarks, September 2026. Excludes VAT. Your own quote depends on your meter, region, usage profile and credit status.
Gas bill charges explained
- Unit rate per kWh of gas used
- Daily standing charge for the supply point
- Climate Change Levy on gas supplied to business premises
- VAT, usually 20% (5% for low usage or qualifying premises)
Things to check
- Your MPRN, shown on your gas bill
- Whether your meter reads in cubic metres or cubic feet
- Your annual quantity (AQ) estimate
- Contract end date and switching window
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