Here's a good deal saving 20quid. I recently bought a similar from B&Q for £89, the wickes one though looks more robust and with wheels.
Ideal for DIY usage
Three working heights of 30cm, 58cm and 87cm
Safe working height is 87cm
Folding structure for easy portability and storageLightweight and easy to use
Includes a carry bag
Two rubber wheels with brakes to enable safe and easy movement during useMaximum load capacity: 150kg