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.