When did you last test your smoke alarm? Make sure it will work when you need it by testing it weekly. #TestItTuesday

When cooking you can often use the residual heat to to save energy if you switch your cooker off just before you finish cooking. However, you still need to make sure that your food is properly cooked through.

Thermostatic radiator valves (TRVs) only limit the maximum temperature areas reach. It is a common misconception that they change how quickly an area heats up. Don’t turn them up thinking the room will heat up quicker.

Some vulnerable people need to keep their homes warmer than normal. However, most of us can save money and energy by dressing for the weather and putting on a jumper before turning up the heating.

When was the last time you switched energy supplier. Regularly changing to the right tariff can save you money by reducing your energy costs. If you rent a property and pay the energy bills yourself the law says you should be able to choose your own energy supplier.

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.

If your charger has an LED to show it’s in use, it is still using energy until you switch it off at the wall or unplug it.

Thermostatic radiator valves (TRVs) help ensure your heating is evenly distributed where you need it. Check them to make sure they are set properly so each area reaches the temperature you need and gets no hotter.

Spending one minute less in the shower each day will save up to £8 a year off your energy bills, per person. With a water meter this could save a further £11 off annual water and sewerage bills. If everyone in a four-person household did this it would lead to a total saving of £75 a year.

Wash fruit and vegetables in a bowl, not under a running tap, to cut water use. Use the leftover water for your houseplants or patio pots.