Keeping extract fans and vents clean and clear from obstruction reduces energy use and makes then work more efficiently.

Make sure your pans fully cover the rings on your hob to use all of the heat being provided. Use the right sized ring for the pan you are heating.

Use the sun to reduce your heating bills. Leave internal doors open to rooms which trap the sun so the heat can spread to other areas.

Still using tungsten, halogen or fluorescent bulbs? Changing to LED lighting can save energy and money.

Only fill your kettle with the water you need. You will save both water and energy.

Use a microwave. Generally a microwave oven is the most efficient way to heat up and cook food.