What is the 'S' technique for cleaning? Experts say it's 'more efficient' and 'ultimately the best technique' for a streak-free, professional finish

A white tiled bathroom with a white bathtub, gold taps, exposed beams, large window and green leafy houseplants.

If you're an avid cleaner who likes to stay up to speed with all the cleaning tips and tricks the pros are loving, you may have already heard of the 'S' technique for cleaning.

Each and every household can benefit from this smart yet simple technique – and it couldn't be easier to try in your own home.