Gas Boiler Running Costs
| Home Size | Annual Gas Bill | Monthly |
|---|---|---|
| 1-2 bed flat | £500-700 | £42-58 |
| 3 bed semi | £900-1,200 | £75-100 |
| 4-5 bed detached | £1,200-1,800 | £100-150 |
Based on Ofgem price cap rates. Actual costs depend on insulation, thermostat settings, and boiler efficiency.