A wipe with a wet sponge should do the trick, but if they're very grubby, use mild detergent on wood or specialist cleaner on uPVC. Start with the frames first, so you don't drip dirty water on clean panes. Wipe the tea over the surface and buff dry with a clean soft cloth. To try the teabag cleaning hack at home, use kitchen towel dipped into a mug of cold black tea.

Apparently cold tea is the secret to gleaming, streak-free windows and glass. Top tip: One to try, as seen shared on cleaning group forums is the quirky teabag cleaning hack. 'If you need to use water to tackle a particularly dirty window make sure it's purified so your windows are left streak-free. 'So many people use a damp cloth and water to clean windows, but most tap water contains minerals like calcium and sodium which will leave ugly marks on your window,' she explains. Laura also recommends taking care with the water you use when cleaning, and opting for purified water if possible.

Start washing windows using a non-abrasive sponge. Fill a bucket with a simple solution of washing-up liquid and warm water, but avoid creating too many soap suds as these will leave further marks if allowed to dry. You can also wash your windows with soapy water.

Best way to wash windows