Does a filter actually save you money compared with bottled water? Change every relevant input.
Original editorial illustration · Not a product photograph
Compare what you would actually spend
Enter your own bottled-water price and an appliance + filter scenario. The initial figures are examples, not a retailer quote. The result can show either a saving or an extra cost.
Illustrative cost difference—
Calculating...
Bottled water—
Filtered water—
A cost comparison is not a health claim
UK tap water is routinely regulated and generally requires no home filter. If you prefer bottled water, consider its costs separately from water quality or medical concerns.
Sources & verification
Facts below are taken from the linked sources; product information may change. Last editorial check: 13 November 2026. No hands-on product testing was performed.
