Boxing Day Mattress Sale 2025

Which mattress should I buy in the Boxing Day Sales?

In our Boxing Day sale on mattresses, you should choose a mattress that’s both comfortable and supportive for your sleep needs - while also fitting your budget.

From memory foam to pillow top and hybrid designs, we have mattresses for every sleeper in our Boxing Day bed sale. Shop today and enjoy a 100-Night Comfort Trial, free next day delivery and our ‘Excellent’ Trustpilot-rated service.

Is it cheaper to buy a mattress on Boxing Day?

Yes, our Boxing Day mattress sale offers some of the biggest savings of the year. With festive discounts across leading UK brands, you can save hundreds while upgrading your sleep setup.

Which mattress sizes are in the mattress Boxing Day Sale?

All sizes are available in our Boxing Day bed and mattress sale, including single, double, king, super king and even emperor. We also stock European mattress sizes, so you can find the perfect fit for your bed frame.

Which brands have discounts in Boxing Day Sales?

Discover our Boxing Day bed sale with huge deals from the UK’s most trusted brands, including Silentnight, Simba, Emma, Sealy and more. All of our mattresses, beds and bedding are in stock and ready for free next day delivery.

Can you finance a mattress in Boxing Day sales?

Yes, we offer Klarna as a payment option when you buy your Boxing Day bed or mattress here at MattressOnline.

Choose Klarna at checkout to get started, and pick the option that suits you to make buying your Boxing Day bed or mattress online easier than ever.

Borrowing more than you can afford, or paying late, may make it harder to get credit in the future. Credit subject to status. Representative 21.9% APR (fixed) reduced to 0.00%.

Learn more about paying with Klarna today.