When is Black Friday 2026?
Friday 27 November, with Cyber Monday on Monday 30 November. Neither date is the one to put in your diary. Offers reach us from 5 November, so that's when this page starts filling, and it runs to 1 December, once the extended ones have gone.
Every code in that window shows up above as a card, worded as the retailer wrote it, with the end date where they publish one. When the window shuts the cards go too.
When do Black Friday mattress deals start in the UK?
Before the day itself, and the direct brands tend to move first. Simba's published terms for 2025 ran its promotion from 00:01 on 21 November to 23:59 on 30 November, a 10 day run instead of one Friday. Chains with showrooms tend to open before the Friday and run into December.
Expect little to move in early November. Prices edge about, the wording changes a lot, and the same offer can come back under a bigger banner a fortnight later. Watching your shortlist across that stretch costs you nothing.
What the wording does when the price doesn't
Retailers stretch the event because a fortnight of trading beats a day of it. Renaming a sale costs a retailer nothing, so ignore the artwork and watch the number on your mattress: if it hasn't moved since the 6th, the sale hasn't reached it yet.
Does every retailer take part?
Nearly all of them, so the better question is who's running something worth your time. Start with the table above: it names every retailer we cover, counts the codes each has live right now, and links to their promo page where one exists. Nothing shows before a retailer publishes it, so everything on this page is already live.
Is it worth waiting for the day itself?
Usually not. The stock goes before the price does. Clearance lines and one-off sizes are finite, so whatever went in the first week of the window is gone for the rest of it. Where a retailer has marked a current range for the window, the price usually holds to the end, so there's no penalty for waiting on one of those.
There's one case for holding on, and it's a straight comparison. When two mattresses on your shortlist sit at different retailers, the last week of November is when both are most likely to be reduced at once. You get to compare two live prices instead of one live price and your memory of another.
What to check before you use a code
Read the terms first. That's where your Black Friday code usually loses its edge. Clearance stock, bed frames, divans and the exact top-end range you'd been eyeing are all common exclusions. None of that shows in the headline.
What outlives the sale
Trial length is the part you'll still be using in February. A bed you can hand back at the end of one beats a few extra percent on a bed you can't. Your delivery date comes next: a November order that arrives in January is a different purchase from one arriving next week. And check the price history of that model in your size. It's the only way to tell a solid cut from a rearranged one.
Where this page's numbers come from
Our cards carry the retailer's own wording, end date included where they give one. There's no countdown clock here and there won't be one. Dates and our own price record are covered in how we put these pages together.
Who should skip Black Friday
Anyone who needs a mattress in the next fortnight, and anyone shopping mainly at the direct brands. Holding out for the Friday might trim the price. It also means weeks more on a mattress that's stopped doing its job.
That second group is buying from companies that discount most of the year anyway. Which? found several direct brands with mattresses that appeared to stay on sale right through an 8 week check in 2023. Emma Sleep's countdown timers and discount claims ended in a May 2026 High Court consent order, the regulator's version of the same warning.
If that's you, the UK sales calendar shows when the next window opens, and our top mattress picks ignore the calendar entirely. Bank holiday weekends fall between Easter and August, which beats waiting until November if you're shopping in spring. After this window shuts, Boxing Day is the next big one.
Sources
- Simba Sleep, published 2025 Black Friday promotion terms, giving the exact start and end times. https://simbasleep.com/pages/bf2025
- Which?, February 2024 report on direct-brand mattress pricing. https://www.which.co.uk/news/article/which-urges-popular-mattress-companies-to-play-by-the-rules-aeIV45u7pHws
- CMA, the May 2026 consent order over Emma Sleep's countdown timers and discount claims. https://www.gov.uk/government/news/court-endorses-cma-action-as-emma-sleep-agrees-to-change-sales-practices
