Alternatively, there's the Hoover Robot Vacuum Cleaner for £199 down from £249 direct from Hoover, a powerful bit of kit that is suitable for both carpets and hard floors, has powerful suction and even returns to the base to recharge when the battery runs low all by itself.

Voted the best overall robot vacuum in our guide, the Shark PowerDetect 2-in-1 offers the best of everything. It intelligently mops and vacuums your floors for up to 30 days. Just set a schedule and the robot returns to its base to empty the dustbin, wash the mop, and refill the tank automatically.

Shark robot vacuums are on sale for Prime Day and there are some good deals to be had. For instance, the AI Ultra is on sale for just $280. This is 50 percent off, as the regular price is $550. This model topped our list of the best robot vacuums,