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Buying guide · 2 min readSupermarket coffee vs speciality coffee: what the premium buys
Speciality coffee typically costs two to three times as much per kilo. Some of that premium is real, and some of it is a bag.
Neither one is the good coffee and neither one is the bad coffee. They are built for different things: supermarket coffee for consistency and price, speciality for traceability and freshness. Which you should buy comes down to which of those you can actually taste.
The price gap, in per-cup terms
Supermarket own-brand and mainstream blends usually land between 12p and 25p a cup. Speciality roasters usually land between 30p and 60p. At two cups a day, that gap works out somewhere between £110 and £250 a year: meaningful money, but a good deal less than most people assume before they do the sum.
Cheapest coffee per cup
The value end of what we track, across brands.
Prices are the last we fetched and can move. As an Amazon Associate we earn from qualifying purchases. It never changes the order, which is always cheapest per cup first.
What the premium genuinely pays for
- A roast date instead of a best-before date. This is the single most useful difference: you can tell whether the coffee is fresh.
- Traceability: farm, region, varietal, process and often the price paid to the producer.
- Smaller, more frequent roast batches, which is why speciality bags are usually 250g rather than 1kg.
- Roast profiles built for a specific brew method rather than for shelf stability.
What the premium does not buy
- Automatic quality. A carelessly roasted speciality bag is worse than a well-made supermarket blend.
- Value at small pack sizes. A 250g speciality bag is the most expensive way to buy coffee per kilo.
- Anything at all, if your grinder or your water is the limiting factor. Fix those first.
A bag showing a best-before date 12 months out and no roast date was built for shelf life. That is a design decision rather than a scandal, but it tells you the coffee was never intended to be drunk at its peak.
How to get most of the benefit for less
- Buy supermarket coffee in the largest pack you will drink in time, and speciality in 250g when you want something specific.
- Look for supermarket lines that print a roast date. A few now do, and they are the best value on the shelf.
- Buy speciality direct from the roaster on subscription; it is usually cheaper per kilo than the same bag in a shop and arrives fresher.
- Spend the first £40 of any upgrade budget on a burr grinder, not on more expensive beans.
Compare both on the same basis