Each guide answers one buying question and shows the figures behind the answer.
3 guides
Running costs
Machine, beans, electricity at the current Ofgem cap and the filters you cannot skip. The arithmetic behind a home double, worked through in pounds.
Photo: Peter krimbacher · Public domain · Wikimedia Commons
How to choose
Four decisions settle which coffee machine still gets used in year three: the grinder split, the format, the counter it has to fit, and your water.
Photo: Herr Andrax · CC BY-SA 3.0 · Wikimedia Commons
Maintenance
Your hardness band, not the calendar, sets the descaling interval. Here is the UK classification, an example schedule costed per year, and what filters do.
Photo: massage-techniques · CC BY-SA 2.0 · Wikimedia Commons