Boxing Day Mattress Deals 2026

By Alex Bosier · 15 years in the UK deals and savings industry (VoucherCodes, Atolls) · LinkedIn

Page updated 27 September 2026

Some links on this page are affiliate links. If you click and buy, we may earn a small commission — at no cost to you. Our recommendations aren't affected by commission rates. As an Amazon Associate, BoxingDayDeals.co.uk earns from qualifying purchases.

Start a Boxing Day mattress comparison with the exact size, model, delivered cost and what happens if it does not suit you. This guide has no verified 2026 price ranking showing that one retailer, mattress type or sale date is best. A sleep trial, a comfort exchange and a fault guarantee provide different kinds of protection.

Retailers to compare first

Products listed in this guide

This list does not confirm current prices, discounts or availability. Check the retailer's listing before buying.

Dreams Logo Dreams
Page updated 27 Sept 2026

Pocket-sprung mattresses

Check with retailer

View retailer
Bensons for Beds Logo Bensons for Beds
Page updated 27 Sept 2026

Mid-range pocket-sprung mattresses

Check with retailer

View retailer
John Lewis Logo John Lewis
Page updated 27 Sept 2026

Silentnight, Sealy and Tempur mattresses

Check with retailer

View retailer
Simba Logo Simba
Page updated 27 Sept 2026

Simba Hybrid Original and Hybrid Pro

Check with retailer

View retailer
Eve Sleep Logo Eve Sleep
Page updated 27 Sept 2026

Eve Original Hybrid and Premium Hybrid

Check with retailer

View retailer
Emma Logo Emma
Page updated 27 Sept 2026

Emma Original, Premium and Hybrid

Check with retailer

View retailer
How to compare these products

This list does not confirm current offers. Before buying, compare:

  • The exact model, product condition and seller
  • The total cost, including delivery and any required fees
  • Recent prices for the same model, rather than the advertised discount alone
  • Delivery, returns and guarantee terms, including any membership conditions

Read our full editorial policy.

Match the mattress before the price

Measure your bed base and check the manufacturer’s required support, mattress depth and care instructions. Compare the same model generation and size; a similarly named hybrid may have different layers or construction. Firmness labels are a starting point for comparison, not evidence that two brands will feel the same to you.

If you can try the exact mattress before buying, use that visit to narrow the choice. Record the model and size so an online price comparison remains like for like. This guide has no first-hand comfort testing to justify declaring a mattress the best for your body.

Compare aftercare alongside the delivered cost

Retailer or brandDecision to checkCurrent browsing route
DreamsWhether the mattress qualifies for a comfort exchange, and its costBrowse Dreams
Bensons for BedsExchange conditions, exclusions and chargesBrowse Bensons
John LewisThe selected mattress’s return policy and guaranteeBrowse John Lewis offers
SimbaEligible new mattress, seller and trial conditionsBrowse Simba
EveThe trial and return terms for the exact item and sellerBrowse Eve
EmmaWhether the model and purchase channel qualify for the advertised trialBrowse Emma

These routes are for checking current products, not verified Boxing Day offers. Our under-£300 mattress guide covers a budget-led comparison without promising a current product below that price.

A comfort exchange is different from a refund trial

Dreams’ 100-night Comfort Guarantee allows one qualifying exchange after 30 to 100 nights, with a mattress protector required. Its terms exclude Blue-cross and ex-display mattresses and charge £95 for collection and re-delivery. A more expensive replacement costs extra; a cheaper replacement produces Dreams vouchers for the difference. Read the conditions before comparing this with a refund trial. The Dreams mattress guide covers that purchase separately.

Bensons’ 40-night Comfort Guarantee permits a qualifying exchange after at least five nights and within 40 nights. A protector is required. It includes a charge of 10% of the original bed value plus re-delivery, and excludes several product types including clearance and ex-display. A cheaper replacement does not generate a refund of the difference. Confirm the terms for the mattress you select.

These are the policies checked on 27 September 2026, not a promise that December terms will be identical. Faulty-item rights and product guarantees are separate from a discretionary comfort offer.

Direct-brand trials still have conditions

Simba’s terms describe a 200-night trial for eligible new mattresses bought directly or through an authorised participating retailer. Cot-bed, Contract range and refurbished mattresses are excluded from that particular trial. Check condition requirements, purchase-channel eligibility and collection or delivery charges rather than treating the brand name as automatic coverage.

Emma’s UK terms list the models and direct purchases covered by its 200-night trial; other products and selling channels can have different arrangements. Match your selected product to the relevant section. Do not assume that every Emma listing has the same trial.

For Eve, check the trial for the exact product and seller. A product banner may not apply to refurbished or third-party purchases. Check any exclusions in writing if they affect your decision.

For John Lewis, check the chosen mattress’s guarantee and return conditions. There is no evidence here for one five-year guarantee or extended return policy applying to every mattress sold by the retailer.

Delivery, condition and the cost of a change

Ask for the delivery date for your postcode, the service to the room, and any separate charge for removing the old mattress. Read the instructions on unboxing and the period allowed for storing a rolled mattress. Keep the existing bed usable until the delivery arrangements are clear.

For an ex-display, clearance or refurbished mattress, check its condition, dimensions and specific aftercare. A larger headline reduction may accompany different trial eligibility. Do not compare it with a new mattress as though both have identical terms.

Boxing Day or another date?

No verified evidence here makes Black Friday or Boxing Day a universal winner for Simba, Emma or Eve, or proves that Dreams and Bensons stock sells out in 24 to 48 hours. Use the actual promotion end date, selected size and total price; do not infer a 2026 launch from an earlier sale.

The Black Friday comparison and January comparison explain how to compare a later price without assuming it will be lower. Buy when the mattress and terms suit your needs, with a clear understanding of the cost and remedy if comfort is wrong.

Frequently asked questions

Is Boxing Day a good time to buy a mattress in the UK?

It can be useful for a planned purchase, but this guide has no verified 2026 price comparison showing that Boxing Day is the best time. Compare the exact model, size, delivered cost and trial or exchange conditions.

Are DTC mattress deals better on Boxing Day or Black Friday?

Neither event is a proven winner here. For Simba, Emma or Eve, compare the same model, size and seller at both dates. An advertised percentage does not establish the cash saving, and a seller’s trial terms may differ.

Do Dreams and Bensons start their sale on Boxing Day?

This guide has not verified either retailer’s 2026 launch schedule. Check their current announcements. A previous sale or an offer available before Christmas does not establish the next launch time or a stock deadline.

What mattress types get the biggest Boxing Day discounts?

No verified 2026 model-level comparison supports a ranking here. Compare pocket-sprung, foam or hybrid mattresses by the specification and comfort you need, then the actual price and aftercare conditions.

How long do Boxing Day mattress deals last?

Use the end date and stock status stated for the particular promotion. This guide has no confirmed 2026 closing dates or evidence that a preferred size will sell out in a fixed number of hours.

Related coverage