Andy Shaw

Whether you want to bolster your home’s security or simply make sure you know when someone is at the door, the latest generation of smart doorbells will help put your mind at ease

• The best robot vacuums to keep your home clean and dust free

Doorbells have evolved. Today, they watch us as we approach, let the people inside the home know we’re coming sooner than our finger can hit the button, and give them a good look at our faces before they open the door. They’re essentially security cameras with a chime function.

Our expert puts the best power washers through their paces on the toughest – and muckiest – outdoor chores, from grimy paving slabs to dirty decking

• How to get your garden ready for summer

The trouble with the great outdoors is that it gets a bit untidy. Your lawnmower might do a good job of keeping your garden in check, but keeping your patio, decking and outdoor furniture spick and span can take hours, especially if you rely on a bucket of soapy water and a scrubbing brush.