If you’ve been putting off big purchases hoping for a better deal, you’re in good company. Millions of UK shoppers mark late November on their calendars specifically for Black Friday — and 2025 is shaping up to be one of the longer, more fragmented sales events yet. Rather than waiting for a single day, the smartest buyers now track multiple retailer windows spread across weeks. This guide gives you the exact 2025 UK dates, retailer timelines for Amazon, Tesco and Argos, and what the data says about where the real savings actually land.
Black Friday 2025 Date: 28 November · Typical Duration: 1 week · Cyber Monday 2025: 1 December · Amazon Black Friday Week: 20 November – 1 December
Quick snapshot
- Black Friday 2025 falls on 28 November (EcoFlow UK Blog)
- Cyber Monday lands on 1 December (EcoFlow UK Blog)
- Amazon Black Friday Week: 20 Nov – 1 Dec (EcoFlow UK Blog)
- Exact end dates for Tesco and Argos individual sales windows
- 2025 deal depth percentages — retailers haven’t published benchmarks
- Whether post-Cyber Week extensions (2–7 December) apply across all major stores
- Early bird deals: late October – 20 November
- Main wave (Amazon, Currys, Argos): 21–27 November
- Peak weekend (28 Nov – 1 Dec): steepest tech and home cuts
- Post-Cyber deals may linger until 7 December on select lines
- 2026 Black Friday confirmed for 27 November by Which?
- Buyer strategy: price-track early, buy at weekend peak for tech
| Key Fact | 2025 Value |
|---|---|
| 2025 Black Friday | 28 November |
| 2026 Black Friday | 27 November |
| Origin | Post-US Thanksgiving |
| Common Duration | Black Week (7 days) |
| Cyber Monday 2025 | 1 December |
| Amazon Black Friday Week | 20 November – 1 December |
| Main discounts window | 21–27 November |
| Cyber Weekend peak | 28 November – 1 December |
What date are Black Friday sales in the UK?
Black Friday 2025 in the UK falls on Friday, 28 November — a date set by the US Thanksgiving calendar, since the UK event mirrors American retail timing. Thanksgiving lands on the fourth Thursday of November, and Black Friday is the immediately following Friday. That means UK shoppers have a locked date they can build a savings strategy around.
2025 and 2026 dates
For 2025, Black Friday is confirmed as 28 November, with Cyber Monday following on 1 December. The 2026 date is already established as 27 November. This forward visibility means retailers can plan extended sales windows, and buyers can flag products to watch months ahead.
The Telegrap’s analysis of historical data identifies 28 November to 1 December as the peak window when discounts on tech and home goods hit their steepest levels.
Retailer-specific timings
Major UK retailers don’t all start on the same day. Amazon runs the widest window — its Black Friday Week spans 20 November through 1 December, giving shoppers nearly two full weeks of rolling deals. Early bird promotions at Amazon have already featured price drops of up to £300–£700 on premium OLED TVs.
The main discount wave from 21–27 November covers Amazon, Currys, and Argos, with Argos participating actively in this pre-Black Friday window. Tesco focuses its heaviest deals on Cyber Monday rather than Black Friday itself.
Three retailer timing tiers emerge: Amazon’s extended week (20 Nov–1 Dec), the mainstream mid-November surge (21–27 Nov), and Tesco’s Cyber Monday emphasis. Knowing which tier your target retailer belongs to changes when you should be watching — and buying.
When is Black Friday and why does the UK have it?
Black Friday originated in the United States as the day after Thanksgiving — the first Friday after the fourth Thursday of November. The name reportedly stuck because the heavy retail traffic caused Philadelphia’s police to describe the day as chaotic. UK adoption came later, driven by Americanised retailers and the pull of a commercial event that aligned conveniently with pre-Christmas shopping momentum.
Origins from US Thanksgiving
Black Friday began as a purely American concept, anchored to Thanksgiving dinner schedules that don’t exist in the UK calendar. As US-based brands expanded internationally, they brought the Black Friday framework with them, reframing it as a standalone savings event rather than a Thanksgiving aftermath.
Adoption in UK retail
UK retailers initially observed Black Friday as a curiosity, but by the mid-2010s most major chains had incorporated it into their seasonal calendar. Today it functions as an unofficial launch point for Christmas shopping, sitting roughly five weeks before 25 December — enough time for delivery before the holiday rush if buyers act early.
Cyber Monday vs Black Friday: What’s the Difference?
Both events fall within the same spending period, but they serve different shopper profiles. Black Friday skews toward in-store traffic, broad category deals, and big-ticket items. Cyber Monday, created in 2005 specifically for online growth, targets tech-focused, value-conscious buyers who prefer to transact digitally.
Deal types
Black Friday historically offered the deepest discounts on appliances, furniture, and high-margin impulse buys. Cyber Monday concentrates on electronics, computing, and streaming subscriptions. The Telegrap’s data-driven comparison shows that neither event is automatically better — the optimal purchase window depends on the product category.
Best for what purchases
For TV, laptop, and headphone purchases, the data shows Cyber Weekend as a single window: discounts on tech peak between 28 November and 1 December, with Black Friday and Cyber Monday offering comparable savings rather than stacked advantage. MoneySavingExpert’s tracking across UK retailers confirms that deal depth varies more by retailer than by the specific day.
Britons are expected to spend nearly £14 billion over Black Friday and Cyber Monday in 2025. Most of that spending concentrates in a narrow four-day window — but early-bird Amazon deals have already started pulling forward purchase decisions. The implication: waiting for Cyber Monday to beat Black Friday on price rarely works for tech. The better strategy is price-tracking before the weekend and buying at peak.
Is Black Friday worth it in the UK?
The honest answer depends on what you’re buying and when you buy it. Which? analysis has consistently found that Black Friday discounts aren’t uniform — some categories see genuine peak pricing, others see modest reductions that don’t justify the hype. The danger is buying early without comparing, or assuming every “sale” is a historic low.
Pros and cons
Upsides
- Steepest tech discounts of the year land on Cyber Weekend (28 Nov–1 Dec)
- Amazon, Currys, and Argos offer price-match guarantees during the event
- Extended return windows at major retailers give breathing room on big-ticket buys
- MoneySavingExpert tracks verified deals across Tesco, Amazon and competitors for real savings
Downsides
- Early bird deals can sell out before the official Black Friday date
- Retailers inflate pre-sale prices to make discounts appear larger
- Tesco’s best deals cluster on Cyber Monday, not Black Friday — timing matters
- Post-event returns can be complicated by extended shipping windows
Hype vs real savings
The UK Black Friday sales curve peaks over Cyber Weekend, with the steepest cuts landing on tech and home items. But the peak also means lowest stock. Early November discounts on appliances, toys, beauty, and tech offer solid savings with better availability — and the gap between early and peak pricing is often smaller than the marketing suggests.
How long do Black Friday sales usually last?
The answer has expanded significantly. The original Black Friday concept was a single day, but UK retailers have stretched it into a multi-week event. The typical structure now involves early bird promotions starting in late October, escalating discounts through the main wave from 21–27 November, peak weekend pricing on 28 November through 1 December, and post-Cyber extensions that may linger until 7 December on select lines.
Typical period
Most UK retailers now participate in what’s informally called “Black Week” — a seven-day window anchored to the 28 November date but commercially active from 21 November. Argos participates in the week before 28 November, while Amazon extends its event from 20 November through 1 December. The effective savings window runs roughly 10–12 days across the major players.
Extended sales like Black Week
Amazon’s Black Friday Week model has influenced broader market behaviour. Rather than a single flash sale, Amazon’s rolling daily deals create a longer engagement window that captures buyers who might otherwise wait. About Amazon UK confirms the official 2025 Black Friday and Cyber Monday details cover this extended period, lending legitimacy to the “week” framing.
The extension of Black Friday into Black Week means the “when to buy” question has become more strategic. For commodities and stocked items: early November offers better availability with similar discounts. For must-have tech with limited stock: Cyber Weekend peak is still the target. The retailer variation (Amazon starts 20 Nov, Tesco peaks 1 Dec) means matching your purchase list to the right retailer’s window matters more than choosing between Black Friday and Cyber Monday.
Black Friday vs Cyber Monday: A side-by-side comparison
Five dimensions distinguish the two events for UK shoppers, with meaningful variation across each.
| Dimension | Black Friday | Cyber Monday |
|---|---|---|
| 2025 Date | 28 November | 1 December |
| Primary focus | Broad retail, big-ticket, in-store | Tech, electronics, online |
| Amazon window | 20 November – 1 December | Part of Amazon Black Friday Week |
| Key retailer example | Argos (main discounts week) | Tesco (Baileys £10, was £22) |
| Peak savings window | 28 Nov – 1 Dec (Cyber Weekend) | 28 Nov – 1 Dec (Cyber Weekend) |
The comparison reveals a convergence rather than a competition: both events bleed into the same Cyber Weekend peak. Retailer-specific timing matters more than the day chosen.
For buyers watching a specific product: monitor its price from late October. If a verified deal appears before the peak weekend, take it — stock risk outweighs the marginal difference in discount depth. The Which? analysis confirms 2026 Black Friday will be 27 November, so the pattern is predictable enough to plan a full year ahead.
Timeline: UK Black Friday 2025 at a glance
| Period | What happens | Source |
|---|---|---|
| Late October – 20 November | Early bird deals, Amazon preview sales | EcoFlow UK Blog |
| 20 November | Amazon Black Friday Week begins | EcoFlow UK Blog |
| 21–27 November | Main wave: Amazon, Currys, Argos discounts | EcoFlow UK Blog |
| 28 November | Black Friday — peak discounts begin | EcoFlow UK Blog |
| 1 December | Cyber Monday — Tesco and tech focus | EcoFlow UK Blog |
| 2–7 December | Post-Cyber Week extensions (select items) | EcoFlow UK Blog |
Confirmed vs uncertain: What we know and what we don’t
High-confidence claims for UK Black Friday 2025 include the core dates, Amazon’s extended window, and the Cyber Weekend peak structure. Medium-confidence areas include post-Cyber Week extension dates, specific deal depth percentages, and retailer-specific launch times beyond Amazon’s confirmed 20 November start.
Confirmed
- Black Friday 2025 UK: 28 November
- Cyber Monday 2025 UK: 1 December
- Amazon Black Friday Week: 20 Nov–1 Dec
- Main discounts wave: 21–27 November
- Cyber Weekend peak: 28 Nov–1 Dec
Unclear
- Tesco and Argos exact 2025 start dates
- 2025 deal depth percentages vs 2024
- Whether 2–7 December extensions apply broadly
- Confirmed product-level savings beyond Amazon OLED TVs
“Black Friday 2025 falls on Friday 28 November, with Cyber Monday on 1 December.”
— EcoFlow UK Blog (retail timeline analysis)
“Amazon’s 2025 Black Friday Week runs 20 November–1 December, pulling purchase decisions weeks earlier than the traditional single-day event.”
— EcoFlow UK Blog (retail timeline analysis)
Summary
UK Black Friday 2025 isn’t a single day anymore — it’s a four-phase shopping window that stretches from late October through the first week of December. The confirmed date is 28 November, Cyber Monday follows on 1 December, and the meaningful savings peak happens over the Cyber Weekend window from 28 November to 1 December. Amazon runs the longest window (20 November – 1 December), Argos participates in the main wave starting 21 November, and Tesco concentrates its best deals on Cyber Monday. For buyers, the £14 billion expected spend means competition for stock is real — price-tracking from October and buying at the weekend peak for tech remains the most evidence-backed strategy. The pattern for 2026 is already set: Black Friday on 27 November, according to Which? research.
Related reading: How Many Bank Holidays in 2025 UK · How Many Bank Holidays in 2025 Full UK List
kumodigital.co.uk, aboutamazon.co.uk, discoup.com, moneysavingexpert.com, maxwebsolutions.co.uk
As detailed in 2025 UK Black Friday dates, Black Friday 2025 falls on 28 November in the UK, with Cyber Monday following on 1 December amid extended retailer promotions.
Frequently asked questions
When is Black Friday in UK Tesco?
Tesco’s heaviest Black Friday deals concentrate on Cyber Monday (1 December 2025) rather than the 28 November date. Tesco participated in Cyber Monday promotions alongside Sainsbury’s and Costco, with examples like Baileys Original one-litre for £10 (was £22) during the Cyber Monday period. Tesco’s specific Black Friday 2025 start date hasn’t been officially announced as of this publication.
When is Black Friday in UK Amazon?
Amazon’s Black Friday Week 2025 starts 20 November and runs through 1 December. This is an official, confirmed window from About Amazon UK. Early deals have already featured discounts of up to £300–£700 on premium OLED TVs.
When is Black Friday in UK Argos?
Argos participates in the main Black Friday discounts wave from 21–27 November 2025, before the official 28 November Black Friday date. Argos has not published a specific 2025 Black Friday start date of its own, but its participation in the broader 21–27 November window is confirmed through retailer analysis. The Argos Black Friday sale typically focuses on tech, home, and gaming categories.
What is the biggest sale day of the year?
Black Friday is widely regarded as the biggest single-day sale event in the UK retail calendar, driving an estimated £14 billion in consumer spending across the Black Friday and Cyber Monday period in 2025. However, for tech and online purchases specifically, the Cyber Weekend window (28 November – 1 December) functions as the de facto peak rather than a single day. Cyber Monday itself is growing in relevance as online shopping penetration increases in the UK.
Should I wait until Black Friday to buy stuff?
It depends on what you’re buying. For tech (TVs, laptops, headphones), the peak savings window is Cyber Weekend (28 Nov–1 Dec), so waiting until Black Friday itself is worthwhile. For other categories — appliances, beauty, toys — early November discounts from 21 November onward often offer solid savings with better stock availability. MoneySavingExpert’s deal-tracking confirms that the “wait for Black Friday” strategy is most justified for big-ticket tech where Cyber Weekend price drops are steepest.
Which is the biggest sale in the UK?
Black Friday is the largest retail sale event in the UK by total spending volume, with projected expenditure of nearly £14 billion over the 2025 Black Friday and Cyber Monday period. However, Boxing Day sales at major UK department stores and fashion retailers generate significant single-day volumes, and Amazon’s Prime Day in July has become a comparable event for electronics specifically. For breadth of retailer participation and total savings value, Black Friday remains the dominant event.
Is it cheaper to buy on Black Friday or Cyber Monday?
Neither event is automatically cheaper. The Telegrap’s data analysis shows that tech discounts peak during the Cyber Weekend window (28 November – 1 December), meaning Black Friday and Cyber Monday offer comparable savings for electronics and computing. For Tesco-specific deals, Cyber Monday historically produces the best price drops. The Which? and EcoFlow analyses both confirm that Black Friday 2025 is not automatically better than Cyber Monday — the determining factor is the specific product and retailer.
Arthur Oliver Howard Fletcher is a staff writer for NationalReport.uk, covering UK national news, politics, the economy and public services. He works under Editor-in-Chief Andreas Christodoulou and UK Managing Editor Rebecca Morgan, following the newsroom standards for sourcing, verification and fact-checking set out in our editorial policies.