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

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

Make sure you get your boiler properly serviced every year by a competent person. It will keep you warm, safe and make sure it is working efficiently.

Carbon monoxide is a silent killer. Every year in the UK it kills around 50 people and sends 4000 to A&E for emergency treatment. Make sure you get all your combustion appliances properly serviced and fit an alarm. Good quality alarms are available from most DIY suppliers and take minutes to fit. It could save your life!

Boiling food on the hob? Only use the water you need to save energy.

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.

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.

Thermal or heavy blinds and curtains can help trap heat and reduce draughts. Close them at night to reduce heating bills.

If you need to use a tumble drier, make sure you use a full load and keep the lint filter clean. It will keep your machine working more efficiently saving energy while also reducing any risk of fire.

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.