The best discount code for ebay.co.uk currently is a 20% off code, which is available sitewide. Another popular discount is the TOTUM eBay student discount of 50% off their brand outlet section. There's also a 20% off orders using the mobile app, but this discount only applies to orders over £9.99. Please note that these codes are subject to change and it's always a good idea to check for the latest codes before making a purchase.