A high proportion of poorly designed kettles will fail within the warranty period. Kettles are not designed to be repaired. It is therefore preferable that they are reliable. From a WRAP survey, 22% of consumers check on-line reviews (Amazon, Revoo, etc.) before buying to avoid unreliable brands.
Durable kettles need attention to their overall design, suitable good quality components and materials and new designs should be assessed and tested for durability.
The cost estimates in this guide assume that production costs to the brand of a PP concealed element kettle is typically £5.20.