I have never bought a bad kettle. Maybe I'm just less particular about my kettles, but as far as I can tell, even the cheap £5 ones from ASDA meet all of these requirements.
I have had a Bosch Village Collection kettle for the last 5 years, which I bought for £20. Still works fine and frankly if it broke tomorrow, I can't really complain. I bought it because it was the cheapest 3kW kettle they had.
Also my experience is the limescale filters don't work. If you want a nice cup of tea, you really need to pre-soften your water with a Brita jug and descale regularly. My water is 400ppm at the tap (London!) and the Brita jug takes it down to 150ppm. A monthly descale keeps the kettle nice and clean.
I have had a Bosch Village Collection kettle for the last 5 years, which I bought for £20. Still works fine and frankly if it broke tomorrow, I can't really complain. I bought it because it was the cheapest 3kW kettle they had.
Also my experience is the limescale filters don't work. If you want a nice cup of tea, you really need to pre-soften your water with a Brita jug and descale regularly. My water is 400ppm at the tap (London!) and the Brita jug takes it down to 150ppm. A monthly descale keeps the kettle nice and clean.