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The Coffee Grinder Upgrade That Outweighs Switching Beans

Sophie Clarke May 27, 2026 Kitchen & Appliances

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If you make coffee at home and you’ve been chasing better beans, the single highest-leverage upgrade isn’t the bag — it’s the grinder. A £35 blade grinder will turn £30/kg specialty beans into the same cup as Tesco’s own-brand. A proper burr grinder will turn £18/kg supermarket beans into something noticeably better than that. Here’s how the maths works, and three grinders that justify their price in a London kitchen.

Why grind matters more than bean origin

Coffee extracts on a curve. Too coarse, and you taste sour, weak, watery cup. Too fine, and you taste bitter, harsh, ashy cup. The window between “under-extracted” and “over-extracted” is narrow, and a uniform grind is what keeps the brew inside that window. Blade grinders produce a mix of fine dust and coarse boulders — the dust over-extracts and tastes bitter, the boulders under-extract and taste sour, and you blend the two in the same cup. A burr grinder produces particles within a tight size range. That uniformity is the upgrade.

Baratza Encore ESP — £159

The right first grinder for most UK households. 40 grind settings spanning espresso (yes, espresso — the ESP version added that range) through French press. The burrs are conical steel, the motor is durable, and Baratza’s repair-not-replace policy means a 2026 Encore is still serviceable in 2034. The default pick if you’re grinding for V60, AeroPress, French press, or a Breville Bambino.

Niche Zero — £499

British-designed, single-dose, zero-retention. The flat burrs are 63mm — closer to commercial than home — and the grind quality at espresso fineness is materially better than the Encore. If you’re grinding for a serious espresso setup (Lelit, La Marzocco Linea Micra, ECM Synchronika), this is the grinder that pairs with it. Overkill for filter-only households.

Wilfa Svart — £109

Norwegian-engineered, optimized for filter coffee (V60, Chemex, AeroPress). The grind range only covers filter to French press — it cannot grind fine enough for espresso — but the quality within that range punches above its price. The pick if you don’t and won’t own an espresso machine and want to spend the money on better filter beans instead.

What to ignore

• Built-in espresso machine grinders under £400 — the burrs are too small and the dosing is imprecise.
• Anything with a blade. The blade grinds your beans into the same particle distribution as gravel.
• “Manual” hand grinders over £100 — they make excellent coffee, but you will use them eight times before they live in a drawer.