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

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.

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.

Properly used, dishwashers use less water and energy than washing dishes by hand. However, make sure you only wash full loads and don’t pre-rinse everything in the sink first unless it really needs it.

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

Check the programmer on your heating and hot water to make sure the timings match your needs. If you don’t have a seven-day programmer fitted consider getting one.

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

Make sure your radiators are clear so they can heat the space efficiently. Curtains or furniture can easily block them.