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Black Friday UK: telling real deals from hype

What independent research says about Black Friday prices, and how to plan so you only buy genuine reductions.

Updated 13 October 2026 · 3 min read · General information, not legal or financial advice.

Black Friday has become the biggest discount event of the UK retail year, stretching well beyond a single Friday in late November. Many retailers now run offers for weeks beforehand and into Cyber Monday and beyond. Some of those offers are excellent. Many are not as special as they look. This guide summarises what independent research has found and gives you a plan for buying well.

What the research found

Which? has tracked Black Friday prices for several years. In its study of the 2024 sales, it compared 175 home, tech and health appliances from eight retailers (Amazon, AO, Argos, Boots, Currys, John Lewis, Richer Sounds and Very) across the year surrounding the sale, from May 2024 to May 2025. It reported that:

• 83% of products were cheaper or the same price on at least one occasion outside the four-week Black Friday sales period, and 42% were cheaper at least once.
• None of the deals were at their cheapest only on Black Friday itself.
• 35% of products were cheaper after the sales period, and 68% were the same price or cheaper after it.

In an earlier study of 227 deals from the previous year’s sales, Which? found that for six in ten deals, the higher price had been in place less than half the time the product was available in the year before the promotion.

The lesson is not that Black Friday is a con. It is that the date on the calendar tells you very little. The price history of the specific product tells you a lot.

Why Black Friday is hard to judge

• Long sale periods. When offers run for most of November, the “before” price used for comparison can be from weeks earlier.
• RRP comparisons. Some deals are set against a recommended retail price the product rarely sold at.
• Event-only models. Some products, especially TVs, may be special variants with slightly different specifications or model codes, which makes comparing them with reviewed models harder.
• Pressure. Countdown timers, “lightning deals” and low-stock messages make it harder to stop and check. See our fake urgency guide.

A simple Black Friday plan

Before: make a shortlist in October

Decide what you actually need and research specific models now, while there is no time pressure. Read reviews, note exact model numbers, and set a price you would be happy to pay.

Track prices early

Add your shortlist to a free price tracker so you can see the price trend going into November. Our guide to checking price history for free explains the options. If a price rises in early November and falls back for Black Friday, you will see it.

On the day: check three things

1. Is the price the lowest it has been for several months?
2. Was the was-price charged for a sustained period immediately beforehand?
3. Is the same model cheaper elsewhere right now?

If the answer to the first question is yes, it is probably a good buy, whatever the was-price says.

After: do not panic if you miss it

Because many products are the same price or cheaper after the sales period, missing a deal is rarely the end of the world. If you buy and then see the price drop, check whether the retailer has a price promise. See our guide to price matching. Remember that online purchases usually come with a 14-day right to cancel, which we explain in our consumer rights guide.

Products where timing matters most

Big-ticket electricals such as TVs, laptops, vacuum cleaners and kitchen appliances are where Black Friday attention is greatest and where the gap between a good and a poor deal is largest in pounds. For timing beyond November, see when to buy TVs and laptops.

The bottom line

Treat Black Friday as one of several good times to buy, not the only one. Decide what you want in advance, use price history rather than was-prices, and give yourself permission to walk away. A product that is at a genuine low is worth buying whatever the date. One that is not will very likely be the same price again soon.

Sources

• Which?: Most Black Friday deals the same price or cheaper at other times of the year (2024 sales)
• Which?: Are the Black Friday sales worth the hype?
• Which?: Nine in 10 Black Friday ‘deals’ cheaper or same price at other times (2023 sales)
• CMA: Using urgency and price reduction claims online

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