Behold! It's the Karcher K5 pressure washer – and this jetwash system could well save your patio for this summer's promised sunshine. Especially if it's been looking as winter-weathered as mine.

The pricey but powerful Karcher range dominates T3's best pressure washer – so is this competitor ... an 'ultra torque engine and long life metal pump', and packs enough power to blast away ...