Solid brick walls can be insulated internally or externally to reduce heat loss.

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.

Using lids on your pans when cooking will save energy and help heat the contents quicker.

Fit a water butt to collect rainwater. Your roof collects about 85,000 litres of rain each year (around 450 butts full). That’s water you can use for your plants and to wash the car, and it’s free!

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

Fill a jug with tap water and leave it to cool in your fridge. You’ll save water by not having to run the tap for ages to get a cold drink.

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.

Fitting a new insulating jacket to a bare hot water tank can save over £100 per year. Costing just a few pounds, the investment can pay itself off in a few months.

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.

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.