COS UK Discount Codes 25% OFF in May 2026

Save on minimalist fashion, modern tailoring, and wardrobe essentials with these 3 COS discount codes.

Money saving tips

  • Newsletter Signup: Subscribe to the email newsletter on the COS website to receive a 10% discount code to apply to your first online purchase.
  • Join the COS Membership: Register for the free customer membership program to gain access to exclusive member-only promotions, early notifications for seasonal sales, and invites to brand events.
  • Garment Recycling Initiative: Bring pre-owned, unwanted clothing or textiles of any brand to any physical COS store in the UK to be recycled. In return, you will receive a 10% voucher code to use on your next purchase of £50 or more.
  • Shop the Seasonal Sales: Wait for the major end-of-season clearance sales, which occur mid-season and after Christmas, where premium outerwear, tailoring, and dresses are marked down by up to 50%.

Delivery and returns

COS UK provides several shipping options for domestic deliveries:

  • Standard Delivery: Costs £4.00, or is free on orders over £90. Delivery typically takes three to five working days.
  • Express Delivery: Costs £10.00, with delivery taking one to two working days.

The standard online return policy allows customers to return unwanted items within 30 days of receipt. Returns are free of charge. You can register your return online through the digital portal to generate a prepaid shipping label for postal drop-offs via Royal Mail or Evri. Alternatively, online orders can be returned in person to any standalone COS store in the UK (excluding department store concessions and outlet locations). Items must be unworn, unwashed, and in their original packaging with all tags attached. Swimwear must retain the hygiene seal to be eligible for a refund.

FAQs

Does COS UK offer a student discount?

Verified students receive a 10% discount on online orders. You can obtain your unique single-use promo code by verifying your student status online through Student Beans or UNiDAYS.

Does COS UK offer an NHS and Key Worker discount?

Healthcare workers, emergency services staff, and teachers are eligible for a 10% discount on online purchases. To claim your code, verify your professional status through the Blue Light Card platform.

How does the COS garment recycling scheme work?

You can bring clean, unwanted garments or home textiles from any brand to a physical COS store. Hand your items to a member of staff at checkout to receive a voucher for 10% off your next purchase.

Can I return a sale item to COS?

Yes, sale items can be returned within the standard 30-day return window. The items must remain unworn, unwashed, and packaged in their original box or bag with tags attached.

How to use your discount codes

  1. Select a COS UK discount code from this page and copy it to your clipboard.
  2. Go to the COS UK website and add your chosen clothing, accessories, or footwear to the shopping bag.
  3. Click on the shopping bag icon to check your order, then proceed to the checkout screen.
  4. On the checkout page, locate the input field marked 'Got a promotion code?' or 'Promotion Code'.
  5. Paste your copied code into this field and click the apply button.
  6. Confirm that the discount has been successfully deducted from your order total before finalizing your payment details.
SheerLuxe Editorial Team

At SheerLuxe, our voucher section is managed by an in-the-know team who scour the internet to bring you the latest offers across some of our favourite fashion and beauty brands.

Each discount code and offer has been verified specifically for our readers, while the SheerLuxe editorial team has also selected their favourite picks – just keep an eye out for the ‘staff selection’ stickers.

This means we’ve done the hard work for you, so you don’t have to waste endless hours scrolling for savings. Hundreds of new offers are added each week across all the brands we love.

Socials: You can keep up with SheerLuxe via social media: Instagram, Linkedin and TikTok.

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About COS UK

COS (Collection of Style) is a Swedish fashion brand launched in 2007 under the H&M Group. The brand specializes in high-quality, minimalist wardrobe essentials and modern, functional designs for men and women. COS operates a dedicated e-commerce platform for United Kingdom customers alongside running physical flagship and boutique retail stores in major cities across the UK.

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At SheerLuxe, our voucher section is managed by an in-the-know team who scour the internet to bring you the latest offers across some of our favourite fashion and beauty brands.

Each discount code and offer has been verified specifically for our readers, while the SheerLuxe editorial team has also selected their favourite picks – just keep an eye out for the ‘staff selection’ stickers.

This means we’ve done the hard work for you, so you don’t have to waste endless hours scrolling for savings. Hundreds of new offers are added each week across all the brands we love.

Socials: You can keep up with SheerLuxe via social media: Instagram, Linkedin and TikTok.