Best Deal
COS Winter Newness
Winter wardrobe essentials, thoughtfully curated for the new season.
How to Apply a COS Promo Code
Saving with COS is simple when you use a discount code:
- Visit DiscountMum.co.uk and pick a valid COS offer.
- Copy the code before heading to COS’s official store.
- Add your chosen clothing or accessories to the basket.
- At checkout, look for the promo field and paste your code.
- Apply it and watch your total update instantly.
If Your Code Doesn’t Work
Sometimes a voucher may not apply. Common reasons include:
- The promotion has expired.
- The items in your basket are excluded from the offer.
- The code was entered incorrectly.
Double-check these points before trying again, or return to DiscountMum.co.uk to find another working code.
Easy Ways to Save at COS
There are plenty of ways to shop smart at COS beyond promo codes:
Sign Up for Updates
Join the COS mailing list to receive news about upcoming collections, seasonal sales, and special promotions directly in your inbox.
Student Discount
Students can enjoy reduced prices on wardrobe staples, making it easier to refresh outfits without stretching their budget.
Free Returns
If your order doesn’t work out, COS makes it simple to send items back in their original condition for a full refund.
Click & Collect Options
Select a nearby collection point for added convenience when placing online orders.
COS FAQs
Where can I find COS discount codes?
- The best place to find verified codes is DiscountMum.co.uk, where the latest COS vouchers and offers are updated regularly.
Does COS offer free delivery?
- COS provides several delivery options, including standard shipping and in-store collection. Availability may vary, so check the COS site when completing your order.
Is there a student discount at COS?
- Yes, eligible students can unlock savings on online purchases once their status is verified.
Can I return COS items?
- Yes, COS accepts returns on items that are unworn and in their original condition. Refunds are processed once the return is received.
How do I know what size to buy?
- Each product page includes detailed size information, and COS provides an online guide to help you pick the right fit.
More Ways to Save at COS
COS is all about investment pieces that last, but that doesn’t mean you can’t enjoy them for less. Look out for mid-season sales, explore last-chance sections for hidden gems, and combine these with codes from DiscountMum.co.uk for maximum savings. Following COS on social channels also keeps you in the loop with product launches, style inspiration, and the occasional giveaway.
Return Policy
COS accepts returns on items that are unworn, unwashed, and in their original packaging within the designated return period. Refunds are issued to the original payment method once the items have been received and inspected. Free returns are available for most orders, but final-sale or customised items may be excluded. If you used a promo code, any refund will reflect the updated order total based on the items you keep—check the voucher’s terms on DiscountMum.co.uk for full details.