There are several discount codes available for hifx.co.uk. One of them offers a 5% off. Another code provides savings on your next purchase. There's also a 25% off deal. Additionally, there's a £30 off sitewide and free shipping offer. Please note that these offers may be subject to terms and conditions, and may expire after a certain date. It's recommended to check the website for the most up-to-date information. If you need more assistance, feel free to ask.